Home / 10,598,984.70-15,898,477.05-9,780,171.90

Finding the Fourth Proportional to 10,598,984.70, 15,898,477.05 and 9,780,171.90

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Solution

The fourth proportional to 10,598,984.70, 15,898,477.05 and 9,780,171.90 is: 14,670,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,984.70 : 15,898,477.05 = 9,780,171.90 : x
  2. Step 2: Convert to fraction form
    10,598,984.70/15,898,477.05 = 9,780,171.90/x
  3. Step 3: Cross multiply
    10,598,984.70x = 15,898,477.05 × 9,780,171.90
  4. Step 4: Simplify right side
    10,598,984.70x = 155,489,838,497,204.91
  5. Step 5: Solve for x
    x = 155,489,838,497,204.91/10,598,984.70
  6. Step 6: Final answer
    x = 14,670,257.85

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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.