Home / 19,157,098.10-28,735,647.15-15,755,875.70

Finding the Fourth Proportional to 19,157,098.10, 28,735,647.15 and 15,755,875.70

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Solution

The fourth proportional to 19,157,098.10, 28,735,647.15 and 15,755,875.70 is: 23,633,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,098.10 : 28,735,647.15 = 15,755,875.70 : x
  2. Step 2: Convert to fraction form
    19,157,098.10/28,735,647.15 = 15,755,875.70/x
  3. Step 3: Cross multiply
    19,157,098.10x = 28,735,647.15 × 15,755,875.70
  4. Step 4: Simplify right side
    19,157,098.10x = 452,755,284,654,459.19
  5. Step 5: Solve for x
    x = 452,755,284,654,459.19/19,157,098.10
  6. Step 6: Final answer
    x = 23,633,813.55

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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.