Home / 12,944,807.20-19,424,209.20-5,372,538.40

Finding the Fourth Proportional to 12,944,807.20, 19,424,209.20 and 5,372,538.40

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Solution

The fourth proportional to 12,944,807.20, 19,424,209.20 and 5,372,538.40 is: 8,061,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,807.20 : 19,424,209.20 = 5,372,538.40 : x
  2. Step 2: Convert to fraction form
    12,944,807.20/19,424,209.20 = 5,372,538.40/x
  3. Step 3: Cross multiply
    12,944,807.20x = 19,424,209.20 × 5,372,538.40
  4. Step 4: Simplify right side
    12,944,807.20x = 104,357,309,816,633.28
  5. Step 5: Solve for x
    x = 104,357,309,816,633.28/12,944,807.20
  6. Step 6: Final answer
    x = 8,061,712.18

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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.