Home / 30,752,900.74-42,439,079.04-16,815,156.22

Finding the Fourth Proportional to 30,752,900.74, 42,439,079.04 and 16,815,156.22

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Solution

The fourth proportional to 30,752,900.74, 42,439,079.04 and 16,815,156.22 is: 23,204,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,900.74 : 42,439,079.04 = 16,815,156.22 : x
  2. Step 2: Convert to fraction form
    30,752,900.74/42,439,079.04 = 16,815,156.22/x
  3. Step 3: Cross multiply
    30,752,900.74x = 42,439,079.04 × 16,815,156.22
  4. Step 4: Simplify right side
    30,752,900.74x = 713,619,743,890,527.62
  5. Step 5: Solve for x
    x = 713,619,743,890,527.62/30,752,900.74
  6. Step 6: Final answer
    x = 23,204,957.15

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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.