Home / 37,728,986.20-56,593,479.30-12,170,829.40

Finding the Fourth Proportional to 37,728,986.20, 56,593,479.30 and 12,170,829.40

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Solution

The fourth proportional to 37,728,986.20, 56,593,479.30 and 12,170,829.40 is: 18,256,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,728,986.20 : 56,593,479.30 = 12,170,829.40 : x
  2. Step 2: Convert to fraction form
    37,728,986.20/56,593,479.30 = 12,170,829.40/x
  3. Step 3: Cross multiply
    37,728,986.20x = 56,593,479.30 × 12,170,829.40
  4. Step 4: Simplify right side
    37,728,986.20x = 688,789,581,712,731.38
  5. Step 5: Solve for x
    x = 688,789,581,712,731.38/37,728,986.20
  6. Step 6: Final answer
    x = 18,256,244.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.