Home / 10,615,006.59-15,899,170.94-8,772,489.87

Finding the Fourth Proportional to 10,615,006.59, 15,899,170.94 and 8,772,489.87

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Solution

The fourth proportional to 10,615,006.59, 15,899,170.94 and 8,772,489.87 is: 13,139,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,006.59 : 15,899,170.94 = 8,772,489.87 : x
  2. Step 2: Convert to fraction form
    10,615,006.59/15,899,170.94 = 8,772,489.87/x
  3. Step 3: Cross multiply
    10,615,006.59x = 15,899,170.94 × 8,772,489.87
  4. Step 4: Simplify right side
    10,615,006.59x = 139,475,316,012,548.36
  5. Step 5: Solve for x
    x = 139,475,316,012,548.36/10,615,006.59
  6. Step 6: Final answer
    x = 13,139,446.95

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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.