Home / 15,552,205.52-21,462,559-8,488,184.72

Finding the Fourth Proportional to 15,552,205.52, 21,462,559 and 8,488,184.72

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Solution

The fourth proportional to 15,552,205.52, 21,462,559 and 8,488,184.72 is: 11,713,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,205.52 : 21,462,559 = 8,488,184.72 : x
  2. Step 2: Convert to fraction form
    15,552,205.52/21,462,559 = 8,488,184.72/x
  3. Step 3: Cross multiply
    15,552,205.52x = 21,462,559 × 8,488,184.72
  4. Step 4: Simplify right side
    15,552,205.52x = 182,178,165,355,898.50
  5. Step 5: Solve for x
    x = 182,178,165,355,898.50/15,552,205.52
  6. Step 6: Final answer
    x = 11,713,976.20

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Double scale
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1.5x scale

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.