Home / 38,249,872.60-57,386,065.68-12,341,687.90

Finding the Fourth Proportional to 38,249,872.60, 57,386,065.68 and 12,341,687.90

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Solution

The fourth proportional to 38,249,872.60, 57,386,065.68 and 12,341,687.90 is: 18,516,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249,872.60 : 57,386,065.68 = 12,341,687.90 : x
  2. Step 2: Convert to fraction form
    38,249,872.60/57,386,065.68 = 12,341,687.90/x
  3. Step 3: Cross multiply
    38,249,872.60x = 57,386,065.68 × 12,341,687.90
  4. Step 4: Simplify right side
    38,249,872.60x = 708,240,912,431,461.25
  5. Step 5: Solve for x
    x = 708,240,912,431,461.25/38,249,872.60
  6. Step 6: Final answer
    x = 18,516,163.96

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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.