Home / 20,176,281.40-30,264,422.10-8,047,616.80

Finding the Fourth Proportional to 20,176,281.40, 30,264,422.10 and 8,047,616.80

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Solution

The fourth proportional to 20,176,281.40, 30,264,422.10 and 8,047,616.80 is: 12,071,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,281.40 : 30,264,422.10 = 8,047,616.80 : x
  2. Step 2: Convert to fraction form
    20,176,281.40/30,264,422.10 = 8,047,616.80/x
  3. Step 3: Cross multiply
    20,176,281.40x = 30,264,422.10 × 8,047,616.80
  4. Step 4: Simplify right side
    20,176,281.40x = 243,556,471,734,251.28
  5. Step 5: Solve for x
    x = 243,556,471,734,251.28/20,176,281.40
  6. Step 6: Final answer
    x = 12,071,425.20

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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.