Home / 15,415,964.60-21,272,479.50-8,539,162.04

Finding the Fourth Proportional to 15,415,964.60, 21,272,479.50 and 8,539,162.04

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Solution

The fourth proportional to 15,415,964.60, 21,272,479.50 and 8,539,162.04 is: 11,783,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,964.60 : 21,272,479.50 = 8,539,162.04 : x
  2. Step 2: Convert to fraction form
    15,415,964.60/21,272,479.50 = 8,539,162.04/x
  3. Step 3: Cross multiply
    15,415,964.60x = 21,272,479.50 × 8,539,162.04
  4. Step 4: Simplify right side
    15,415,964.60x = 181,649,149,443,078.16
  5. Step 5: Solve for x
    x = 181,649,149,443,078.16/15,415,964.60
  6. Step 6: Final answer
    x = 11,783,184.13

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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.