Home / 30,551,966.59-42,162,512.97-16,614,136.86

Finding the Fourth Proportional to 30,551,966.59, 42,162,512.97 and 16,614,136.86

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Solution

The fourth proportional to 30,551,966.59, 42,162,512.97 and 16,614,136.86 is: 22,927,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551,966.59 : 42,162,512.97 = 16,614,136.86 : x
  2. Step 2: Convert to fraction form
    30,551,966.59/42,162,512.97 = 16,614,136.86/x
  3. Step 3: Cross multiply
    30,551,966.59x = 42,162,512.97 × 16,614,136.86
  4. Step 4: Simplify right side
    30,551,966.59x = 700,493,760,908,976.12
  5. Step 5: Solve for x
    x = 700,493,760,908,976.12/30,551,966.59
  6. Step 6: Final answer
    x = 22,927,943.41

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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.