Home / 38,088,122.65-57,124,545.42-18,648,973.15

Finding the Fourth Proportional to 38,088,122.65, 57,124,545.42 and 18,648,973.15

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Solution

The fourth proportional to 38,088,122.65, 57,124,545.42 and 18,648,973.15 is: 27,969,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088,122.65 : 57,124,545.42 = 18,648,973.15 : x
  2. Step 2: Convert to fraction form
    38,088,122.65/57,124,545.42 = 18,648,973.15/x
  3. Step 3: Cross multiply
    38,088,122.65x = 57,124,545.42 × 18,648,973.15
  4. Step 4: Simplify right side
    38,088,122.65x = 1,065,314,113,743,535.38
  5. Step 5: Solve for x
    x = 1,065,314,113,743,535.38/38,088,122.65
  6. Step 6: Final answer
    x = 27,969,719.68

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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.