Home / 27,639,468.75-38,142,359.62-15,250,333.40

Finding the Fourth Proportional to 27,639,468.75, 38,142,359.62 and 15,250,333.40

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Solution

The fourth proportional to 27,639,468.75, 38,142,359.62 and 15,250,333.40 is: 21,045,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,468.75 : 38,142,359.62 = 15,250,333.40 : x
  2. Step 2: Convert to fraction form
    27,639,468.75/38,142,359.62 = 15,250,333.40/x
  3. Step 3: Cross multiply
    27,639,468.75x = 38,142,359.62 × 15,250,333.40
  4. Step 4: Simplify right side
    27,639,468.75x = 581,683,700,638,859.62
  5. Step 5: Solve for x
    x = 581,683,700,638,859.62/27,639,468.75
  6. Step 6: Final answer
    x = 21,045,400.90

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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.