Home / 22,619,380.40-31,213,425.08-12,695,341.04

Finding the Fourth Proportional to 22,619,380.40, 31,213,425.08 and 12,695,341.04

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Solution

The fourth proportional to 22,619,380.40, 31,213,425.08 and 12,695,341.04 is: 17,518,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619,380.40 : 31,213,425.08 = 12,695,341.04 : x
  2. Step 2: Convert to fraction form
    22,619,380.40/31,213,425.08 = 12,695,341.04/x
  3. Step 3: Cross multiply
    22,619,380.40x = 31,213,425.08 × 12,695,341.04
  4. Step 4: Simplify right side
    22,619,380.40x = 396,265,076,417,089.25
  5. Step 5: Solve for x
    x = 396,265,076,417,089.25/22,619,380.40
  6. Step 6: Final answer
    x = 17,518,829.84

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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.