Home / 10,921,097.70-16,405,266.15-7,732,451.70

Finding the Fourth Proportional to 10,921,097.70, 16,405,266.15 and 7,732,451.70

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Solution

The fourth proportional to 10,921,097.70, 16,405,266.15 and 7,732,451.70 is: 11,615,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,097.70 : 16,405,266.15 = 7,732,451.70 : x
  2. Step 2: Convert to fraction form
    10,921,097.70/16,405,266.15 = 7,732,451.70/x
  3. Step 3: Cross multiply
    10,921,097.70x = 16,405,266.15 × 7,732,451.70
  4. Step 4: Simplify right side
    10,921,097.70x = 126,852,928,130,519.95
  5. Step 5: Solve for x
    x = 126,852,928,130,519.95/10,921,097.70
  6. Step 6: Final answer
    x = 11,615,400.91

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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.