Home / 10,178,572.61-15,267,849.15-2,605,526.21

Finding the Fourth Proportional to 10,178,572.61, 15,267,849.15 and 2,605,526.21

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Solution

The fourth proportional to 10,178,572.61, 15,267,849.15 and 2,605,526.21 is: 3,908,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,572.61 : 15,267,849.15 = 2,605,526.21 : x
  2. Step 2: Convert to fraction form
    10,178,572.61/15,267,849.15 = 2,605,526.21/x
  3. Step 3: Cross multiply
    10,178,572.61x = 15,267,849.15 × 2,605,526.21
  4. Step 4: Simplify right side
    10,178,572.61x = 39,780,781,130,651.22
  5. Step 5: Solve for x
    x = 39,780,781,130,651.22/10,178,572.61
  6. Step 6: Final answer
    x = 3,908,286.82

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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.