Home / 15,991,376.80-22,068,017.04-8,649,202.24

Finding the Fourth Proportional to 15,991,376.80, 22,068,017.04 and 8,649,202.24

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Solution

The fourth proportional to 15,991,376.80, 22,068,017.04 and 8,649,202.24 is: 11,935,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991,376.80 : 22,068,017.04 = 8,649,202.24 : x
  2. Step 2: Convert to fraction form
    15,991,376.80/22,068,017.04 = 8,649,202.24/x
  3. Step 3: Cross multiply
    15,991,376.80x = 22,068,017.04 × 8,649,202.24
  4. Step 4: Simplify right side
    15,991,376.80x = 190,870,742,414,726.16
  5. Step 5: Solve for x
    x = 190,870,742,414,726.16/15,991,376.80
  6. Step 6: Final answer
    x = 11,935,854.23

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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.