Home / 31,099,398.04-42,918,079.92-16,971,494.88

Finding the Fourth Proportional to 31,099,398.04, 42,918,079.92 and 16,971,494.88

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Solution

The fourth proportional to 31,099,398.04, 42,918,079.92 and 16,971,494.88 is: 23,421,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099,398.04 : 42,918,079.92 = 16,971,494.88 : x
  2. Step 2: Convert to fraction form
    31,099,398.04/42,918,079.92 = 16,971,494.88/x
  3. Step 3: Cross multiply
    31,099,398.04x = 42,918,079.92 × 16,971,494.88
  4. Step 4: Simplify right side
    31,099,398.04x = 728,383,973,621,710.75
  5. Step 5: Solve for x
    x = 728,383,973,621,710.75/31,099,398.04
  6. Step 6: Final answer
    x = 23,421,159.88

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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.