Home / 15,565,987.10-23,348,980.65-9,911,279.90

Finding the Fourth Proportional to 15,565,987.10, 23,348,980.65 and 9,911,279.90

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Solution

The fourth proportional to 15,565,987.10, 23,348,980.65 and 9,911,279.90 is: 14,866,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,987.10 : 23,348,980.65 = 9,911,279.90 : x
  2. Step 2: Convert to fraction form
    15,565,987.10/23,348,980.65 = 9,911,279.90/x
  3. Step 3: Cross multiply
    15,565,987.10x = 23,348,980.65 × 9,911,279.90
  4. Step 4: Simplify right side
    15,565,987.10x = 231,418,282,601,833.94
  5. Step 5: Solve for x
    x = 231,418,282,601,833.94/15,565,987.10
  6. Step 6: Final answer
    x = 14,866,919.85

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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.