Home / 12,944,807.20-19,417,210.80-8,913,728.80

Finding the Fourth Proportional to 12,944,807.20, 19,417,210.80 and 8,913,728.80

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Solution

The fourth proportional to 12,944,807.20, 19,417,210.80 and 8,913,728.80 is: 13,370,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,807.20 : 19,417,210.80 = 8,913,728.80 : x
  2. Step 2: Convert to fraction form
    12,944,807.20/19,417,210.80 = 8,913,728.80/x
  3. Step 3: Cross multiply
    12,944,807.20x = 19,417,210.80 × 8,913,728.80
  4. Step 4: Simplify right side
    12,944,807.20x = 173,079,751,123,631.06
  5. Step 5: Solve for x
    x = 173,079,751,123,631.06/12,944,807.20
  6. Step 6: Final answer
    x = 13,370,593.20

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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.