Home / 31,776,142.84-43,849,785.90-18,024,811.72

Finding the Fourth Proportional to 31,776,142.84, 43,849,785.90 and 18,024,811.72

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Solution

The fourth proportional to 31,776,142.84, 43,849,785.90 and 18,024,811.72 is: 24,873,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,142.84 : 43,849,785.90 = 18,024,811.72 : x
  2. Step 2: Convert to fraction form
    31,776,142.84/43,849,785.90 = 18,024,811.72/x
  3. Step 3: Cross multiply
    31,776,142.84x = 43,849,785.90 × 18,024,811.72
  4. Step 4: Simplify right side
    31,776,142.84x = 790,384,134,590,561.75
  5. Step 5: Solve for x
    x = 790,384,134,590,561.75/31,776,142.84
  6. Step 6: Final answer
    x = 24,873,507.73

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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.