Home / 13,570,545.60-20,355,818.40-8,947,008.90

Finding the Fourth Proportional to 13,570,545.60, 20,355,818.40 and 8,947,008.90

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Solution

The fourth proportional to 13,570,545.60, 20,355,818.40 and 8,947,008.90 is: 13,420,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,545.60 : 20,355,818.40 = 8,947,008.90 : x
  2. Step 2: Convert to fraction form
    13,570,545.60/20,355,818.40 = 8,947,008.90/x
  3. Step 3: Cross multiply
    13,570,545.60x = 20,355,818.40 × 8,947,008.90
  4. Step 4: Simplify right side
    13,570,545.60x = 182,123,688,391,583.75
  5. Step 5: Solve for x
    x = 182,123,688,391,583.75/13,570,545.60
  6. Step 6: Final answer
    x = 13,420,513.35

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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.