Home / 15,807,331.28-21,814,207.08-8,563,987.28

Finding the Fourth Proportional to 15,807,331.28, 21,814,207.08 and 8,563,987.28

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Solution

The fourth proportional to 15,807,331.28, 21,814,207.08 and 8,563,987.28 is: 11,818,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807,331.28 : 21,814,207.08 = 8,563,987.28 : x
  2. Step 2: Convert to fraction form
    15,807,331.28/21,814,207.08 = 8,563,987.28/x
  3. Step 3: Cross multiply
    15,807,331.28x = 21,814,207.08 × 8,563,987.28
  4. Step 4: Simplify right side
    15,807,331.28x = 186,816,591,956,405.91
  5. Step 5: Solve for x
    x = 186,816,591,956,405.91/15,807,331.28
  6. Step 6: Final answer
    x = 11,818,351.16

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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.