Home / 19,386,038.60-29,079,057.90-19,253,328.20

Finding the Fourth Proportional to 19,386,038.60, 29,079,057.90 and 19,253,328.20

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Solution

The fourth proportional to 19,386,038.60, 29,079,057.90 and 19,253,328.20 is: 28,879,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386,038.60 : 29,079,057.90 = 19,253,328.20 : x
  2. Step 2: Convert to fraction form
    19,386,038.60/29,079,057.90 = 19,253,328.20/x
  3. Step 3: Cross multiply
    19,386,038.60x = 29,079,057.90 × 19,253,328.20
  4. Step 4: Simplify right side
    19,386,038.60x = 559,868,645,495,502.75
  5. Step 5: Solve for x
    x = 559,868,645,495,502.75/19,386,038.60
  6. Step 6: Final answer
    x = 28,879,992.30

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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.