Home / 18,761,527.20-28,142,290.80-17,716,432.80

Finding the Fourth Proportional to 18,761,527.20, 28,142,290.80 and 17,716,432.80

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Solution

The fourth proportional to 18,761,527.20, 28,142,290.80 and 17,716,432.80 is: 26,574,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,527.20 : 28,142,290.80 = 17,716,432.80 : x
  2. Step 2: Convert to fraction form
    18,761,527.20/28,142,290.80 = 17,716,432.80/x
  3. Step 3: Cross multiply
    18,761,527.20x = 28,142,290.80 × 17,716,432.80
  4. Step 4: Simplify right side
    18,761,527.20x = 498,581,003,796,258.25
  5. Step 5: Solve for x
    x = 498,581,003,796,258.25/18,761,527.20
  6. Step 6: Final answer
    x = 26,574,649.20

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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.