Home / 11,712,760.68-16,162,727.22-7,128,575.40

Finding the Fourth Proportional to 11,712,760.68, 16,162,727.22 and 7,128,575.40

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Solution

The fourth proportional to 11,712,760.68, 16,162,727.22 and 7,128,575.40 is: 9,836,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712,760.68 : 16,162,727.22 = 7,128,575.40 : x
  2. Step 2: Convert to fraction form
    11,712,760.68/16,162,727.22 = 7,128,575.40/x
  3. Step 3: Cross multiply
    11,712,760.68x = 16,162,727.22 × 7,128,575.40
  4. Step 4: Simplify right side
    11,712,760.68x = 115,217,219,657,402.41
  5. Step 5: Solve for x
    x = 115,217,219,657,402.41/11,712,760.68
  6. Step 6: Final answer
    x = 9,836,896.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.