Home / 25,920,154.80-38,880,232.20-20,881,306.80

Finding the Fourth Proportional to 25,920,154.80, 38,880,232.20 and 20,881,306.80

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Solution

The fourth proportional to 25,920,154.80, 38,880,232.20 and 20,881,306.80 is: 31,321,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,154.80 : 38,880,232.20 = 20,881,306.80 : x
  2. Step 2: Convert to fraction form
    25,920,154.80/38,880,232.20 = 20,881,306.80/x
  3. Step 3: Cross multiply
    25,920,154.80x = 38,880,232.20 × 20,881,306.80
  4. Step 4: Simplify right side
    25,920,154.80x = 811,870,057,023,439
  5. Step 5: Solve for x
    x = 811,870,057,023,439/25,920,154.80
  6. Step 6: Final answer
    x = 31,321,960.20

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1.5x scale

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.