Home / 25,812,040.80-38,718,061.20-18,085,807.20

Finding the Fourth Proportional to 25,812,040.80, 38,718,061.20 and 18,085,807.20

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Solution

The fourth proportional to 25,812,040.80, 38,718,061.20 and 18,085,807.20 is: 27,128,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812,040.80 : 38,718,061.20 = 18,085,807.20 : x
  2. Step 2: Convert to fraction form
    25,812,040.80/38,718,061.20 = 18,085,807.20/x
  3. Step 3: Cross multiply
    25,812,040.80x = 38,718,061.20 × 18,085,807.20
  4. Step 4: Simplify right side
    25,812,040.80x = 700,247,390,021,000.62
  5. Step 5: Solve for x
    x = 700,247,390,021,000.62/25,812,040.80
  6. Step 6: Final answer
    x = 27,128,710.80

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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.