Home / 10,156,996.89-15,226,527.06-7,771,491.10

Finding the Fourth Proportional to 10,156,996.89, 15,226,527.06 and 7,771,491.10

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Solution

The fourth proportional to 10,156,996.89, 15,226,527.06 and 7,771,491.10 is: 11,650,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,996.89 : 15,226,527.06 = 7,771,491.10 : x
  2. Step 2: Convert to fraction form
    10,156,996.89/15,226,527.06 = 7,771,491.10/x
  3. Step 3: Cross multiply
    10,156,996.89x = 15,226,527.06 × 7,771,491.10
  4. Step 4: Simplify right side
    10,156,996.89x = 118,332,819,530,699.17
  5. Step 5: Solve for x
    x = 118,332,819,530,699.17/10,156,996.89
  6. Step 6: Final answer
    x = 11,650,374.69

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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.