Home / 19,585,689.40-29,378,534.10-19,249,766.20

Finding the Fourth Proportional to 19,585,689.40, 29,378,534.10 and 19,249,766.20

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Solution

The fourth proportional to 19,585,689.40, 29,378,534.10 and 19,249,766.20 is: 28,874,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,689.40 : 29,378,534.10 = 19,249,766.20 : x
  2. Step 2: Convert to fraction form
    19,585,689.40/29,378,534.10 = 19,249,766.20/x
  3. Step 3: Cross multiply
    19,585,689.40x = 29,378,534.10 × 19,249,766.20
  4. Step 4: Simplify right side
    19,585,689.40x = 565,529,912,723,727.38
  5. Step 5: Solve for x
    x = 565,529,912,723,727.38/19,585,689.40
  6. Step 6: Final answer
    x = 28,874,649.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.