Home / 10,156,993.61-15,226,522.10-7,771,487.81

Finding the Fourth Proportional to 10,156,993.61, 15,226,522.10 and 7,771,487.81

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Solution

The fourth proportional to 10,156,993.61, 15,226,522.10 and 7,771,487.81 is: 11,650,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,993.61 : 15,226,522.10 = 7,771,487.81 : x
  2. Step 2: Convert to fraction form
    10,156,993.61/15,226,522.10 = 7,771,487.81/x
  3. Step 3: Cross multiply
    10,156,993.61x = 15,226,522.10 × 7,771,487.81
  4. Step 4: Simplify right side
    10,156,993.61x = 118,332,730,888,054.47
  5. Step 5: Solve for x
    x = 118,332,730,888,054.47/10,156,993.61
  6. Step 6: Final answer
    x = 11,650,369.73

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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.