Home / 8,631,050.40-12,945,123.90-3,165,014.88

Finding the Fourth Proportional to 8,631,050.40, 12,945,123.90 and 3,165,014.88

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Solution

The fourth proportional to 8,631,050.40, 12,945,123.90 and 3,165,014.88 is: 4,746,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,050.40 : 12,945,123.90 = 3,165,014.88 : x
  2. Step 2: Convert to fraction form
    8,631,050.40/12,945,123.90 = 3,165,014.88/x
  3. Step 3: Cross multiply
    8,631,050.40x = 12,945,123.90 × 3,165,014.88
  4. Step 4: Simplify right side
    8,631,050.40x = 40,971,509,766,943.63
  5. Step 5: Solve for x
    x = 40,971,509,766,943.63/8,631,050.40
  6. Step 6: Final answer
    x = 4,746,989.98

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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.