Home / 12,359,545.70-18,539,318.55-10,260,025.70

Finding the Fourth Proportional to 12,359,545.70, 18,539,318.55 and 10,260,025.70

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Solution

The fourth proportional to 12,359,545.70, 18,539,318.55 and 10,260,025.70 is: 15,390,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,545.70 : 18,539,318.55 = 10,260,025.70 : x
  2. Step 2: Convert to fraction form
    12,359,545.70/18,539,318.55 = 10,260,025.70/x
  3. Step 3: Cross multiply
    12,359,545.70x = 18,539,318.55 × 10,260,025.70
  4. Step 4: Simplify right side
    12,359,545.70x = 190,213,884,783,486.72
  5. Step 5: Solve for x
    x = 190,213,884,783,486.72/12,359,545.70
  6. Step 6: Final answer
    x = 15,390,038.55

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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.