Home / 12,385,025.40-18,577,538.10-3,287,105.40

Finding the Fourth Proportional to 12,385,025.40, 18,577,538.10 and 3,287,105.40

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Solution

The fourth proportional to 12,385,025.40, 18,577,538.10 and 3,287,105.40 is: 4,930,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,025.40 : 18,577,538.10 = 3,287,105.40 : x
  2. Step 2: Convert to fraction form
    12,385,025.40/18,577,538.10 = 3,287,105.40/x
  3. Step 3: Cross multiply
    12,385,025.40x = 18,577,538.10 × 3,287,105.40
  4. Step 4: Simplify right side
    12,385,025.40x = 61,066,325,807,215.74
  5. Step 5: Solve for x
    x = 61,066,325,807,215.74/12,385,025.40
  6. Step 6: Final answer
    x = 4,930,658.10

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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.