Home / 15,836,387.54-21,854,551.82-8,960,869.62

Finding the Fourth Proportional to 15,836,387.54, 21,854,551.82 and 8,960,869.62

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Solution

The fourth proportional to 15,836,387.54, 21,854,551.82 and 8,960,869.62 is: 12,366,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836,387.54 : 21,854,551.82 = 8,960,869.62 : x
  2. Step 2: Convert to fraction form
    15,836,387.54/21,854,551.82 = 8,960,869.62/x
  3. Step 3: Cross multiply
    15,836,387.54x = 21,854,551.82 × 8,960,869.62
  4. Step 4: Simplify right side
    15,836,387.54x = 195,835,789,417,749.34
  5. Step 5: Solve for x
    x = 195,835,789,417,749.34/15,836,387.54
  6. Step 6: Final answer
    x = 12,366,190.77

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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.