Home / 19,689,029.40-29,533,544.10-18,744,245.40

Finding the Fourth Proportional to 19,689,029.40, 29,533,544.10 and 18,744,245.40

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Solution

The fourth proportional to 19,689,029.40, 29,533,544.10 and 18,744,245.40 is: 28,116,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,029.40 : 29,533,544.10 = 18,744,245.40 : x
  2. Step 2: Convert to fraction form
    19,689,029.40/29,533,544.10 = 18,744,245.40/x
  3. Step 3: Cross multiply
    19,689,029.40x = 29,533,544.10 × 18,744,245.40
  4. Step 4: Simplify right side
    19,689,029.40x = 553,583,998,142,122.12
  5. Step 5: Solve for x
    x = 553,583,998,142,122.12/19,689,029.40
  6. Step 6: Final answer
    x = 28,116,368.10

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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.