Home / 20,024,217.40-30,036,326.10-8,656,742.20

Finding the Fourth Proportional to 20,024,217.40, 30,036,326.10 and 8,656,742.20

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Solution

The fourth proportional to 20,024,217.40, 30,036,326.10 and 8,656,742.20 is: 12,985,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024,217.40 : 30,036,326.10 = 8,656,742.20 : x
  2. Step 2: Convert to fraction form
    20,024,217.40/30,036,326.10 = 8,656,742.20/x
  3. Step 3: Cross multiply
    20,024,217.40x = 30,036,326.10 × 8,656,742.20
  4. Step 4: Simplify right side
    20,024,217.40x = 260,016,731,682,831.41
  5. Step 5: Solve for x
    x = 260,016,731,682,831.41/20,024,217.40
  6. Step 6: Final answer
    x = 12,985,113.30

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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.