Home / 31,026,015.80-42,814,520.07-17,785,700.76

Finding the Fourth Proportional to 31,026,015.80, 42,814,520.07 and 17,785,700.76

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Solution

The fourth proportional to 31,026,015.80, 42,814,520.07 and 17,785,700.76 is: 24,543,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026,015.80 : 42,814,520.07 = 17,785,700.76 : x
  2. Step 2: Convert to fraction form
    31,026,015.80/42,814,520.07 = 17,785,700.76/x
  3. Step 3: Cross multiply
    31,026,015.80x = 42,814,520.07 × 17,785,700.76
  4. Step 4: Simplify right side
    31,026,015.80x = 761,486,242,148,034.38
  5. Step 5: Solve for x
    x = 761,486,242,148,034.38/31,026,015.80
  6. Step 6: Final answer
    x = 24,543,474.97

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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.