Home / 15,554,438.80-21,459,138.78-9,743,103.52

Finding the Fourth Proportional to 15,554,438.80, 21,459,138.78 and 9,743,103.52

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Solution

The fourth proportional to 15,554,438.80, 21,459,138.78 and 9,743,103.52 is: 13,441,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,438.80 : 21,459,138.78 = 9,743,103.52 : x
  2. Step 2: Convert to fraction form
    15,554,438.80/21,459,138.78 = 9,743,103.52/x
  3. Step 3: Cross multiply
    15,554,438.80x = 21,459,138.78 × 9,743,103.52
  4. Step 4: Simplify right side
    15,554,438.80x = 209,078,610,583,586.50
  5. Step 5: Solve for x
    x = 209,078,610,583,586.50/15,554,438.80
  6. Step 6: Final answer
    x = 13,441,732.82

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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.