Home / 31,251,156.29-43,118,804.67-18,024,378.69

Finding the Fourth Proportional to 31,251,156.29, 43,118,804.67 and 18,024,378.69

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Solution

The fourth proportional to 31,251,156.29, 43,118,804.67 and 18,024,378.69 is: 24,869,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251,156.29 : 43,118,804.67 = 18,024,378.69 : x
  2. Step 2: Convert to fraction form
    31,251,156.29/43,118,804.67 = 18,024,378.69/x
  3. Step 3: Cross multiply
    31,251,156.29x = 43,118,804.67 × 18,024,378.69
  4. Step 4: Simplify right side
    31,251,156.29x = 777,189,664,032,220.62
  5. Step 5: Solve for x
    x = 777,189,664,032,220.62/31,251,156.29
  6. Step 6: Final answer
    x = 24,869,149.06

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1.5x scale

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.