Home / 12,705,276.80-17,533,268.69-6,904,044.72

Finding the Fourth Proportional to 12,705,276.80, 17,533,268.69 and 6,904,044.72

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Solution

The fourth proportional to 12,705,276.80, 17,533,268.69 and 6,904,044.72 is: 9,527,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,276.80 : 17,533,268.69 = 6,904,044.72 : x
  2. Step 2: Convert to fraction form
    12,705,276.80/17,533,268.69 = 6,904,044.72/x
  3. Step 3: Cross multiply
    12,705,276.80x = 17,533,268.69 × 6,904,044.72
  4. Step 4: Simplify right side
    12,705,276.80x = 121,050,471,123,535.83
  5. Step 5: Solve for x
    x = 121,050,471,123,535.83/12,705,276.80
  6. Step 6: Final answer
    x = 9,527,574.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.