Home / 31,711,868.46-43,766,008.74-17,776,987.20

Finding the Fourth Proportional to 31,711,868.46, 43,766,008.74 and 17,776,987.20

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Solution

The fourth proportional to 31,711,868.46, 43,766,008.74 and 17,776,987.20 is: 24,534,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711,868.46 : 43,766,008.74 = 17,776,987.20 : x
  2. Step 2: Convert to fraction form
    31,711,868.46/43,766,008.74 = 17,776,987.20/x
  3. Step 3: Cross multiply
    31,711,868.46x = 43,766,008.74 × 17,776,987.20
  4. Step 4: Simplify right side
    31,711,868.46x = 778,027,777,166,068.12
  5. Step 5: Solve for x
    x = 778,027,777,166,068.12/31,711,868.46
  6. Step 6: Final answer
    x = 24,534,277.38

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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.