Home / 31,976,957.20-44,142,611.88-20,390,095.12

Finding the Fourth Proportional to 31,976,957.20, 44,142,611.88 and 20,390,095.12

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Solution

The fourth proportional to 31,976,957.20, 44,142,611.88 and 20,390,095.12 is: 28,147,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976,957.20 : 44,142,611.88 = 20,390,095.12 : x
  2. Step 2: Convert to fraction form
    31,976,957.20/44,142,611.88 = 20,390,095.12/x
  3. Step 3: Cross multiply
    31,976,957.20x = 44,142,611.88 × 20,390,095.12
  4. Step 4: Simplify right side
    31,976,957.20x = 900,072,055,078,442.12
  5. Step 5: Solve for x
    x = 900,072,055,078,442.12/31,976,957.20
  6. Step 6: Final answer
    x = 28,147,520.40

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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.