Home / 12,120,987.60-16,727,316.14-6,614,717.13

Finding the Fourth Proportional to 12,120,987.60, 16,727,316.14 and 6,614,717.13

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Solution

The fourth proportional to 12,120,987.60, 16,727,316.14 and 6,614,717.13 is: 9,128,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,987.60 : 16,727,316.14 = 6,614,717.13 : x
  2. Step 2: Convert to fraction form
    12,120,987.60/16,727,316.14 = 6,614,717.13/x
  3. Step 3: Cross multiply
    12,120,987.60x = 16,727,316.14 × 6,614,717.13
  4. Step 4: Simplify right side
    12,120,987.60x = 110,646,464,705,360.27
  5. Step 5: Solve for x
    x = 110,646,464,705,360.27/12,120,987.60
  6. Step 6: Final answer
    x = 9,128,502.42

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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.