Home / 13,608,800.10-20,413,200.15-10,207,577.70

Finding the Fourth Proportional to 13,608,800.10, 20,413,200.15 and 10,207,577.70

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Solution

The fourth proportional to 13,608,800.10, 20,413,200.15 and 10,207,577.70 is: 15,311,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,800.10 : 20,413,200.15 = 10,207,577.70 : x
  2. Step 2: Convert to fraction form
    13,608,800.10/20,413,200.15 = 10,207,577.70/x
  3. Step 3: Cross multiply
    13,608,800.10x = 20,413,200.15 × 10,207,577.70
  4. Step 4: Simplify right side
    13,608,800.10x = 208,369,326,636,776.62
  5. Step 5: Solve for x
    x = 208,369,326,636,776.62/13,608,800.10
  6. Step 6: Final answer
    x = 15,311,366.55

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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.