Home / 31,055,237.18-42,865,934.63-20,042,008.19

Finding the Fourth Proportional to 31,055,237.18, 42,865,934.63 and 20,042,008.19

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Solution

The fourth proportional to 31,055,237.18, 42,865,934.63 and 20,042,008.19 is: 27,664,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055,237.18 : 42,865,934.63 = 20,042,008.19 : x
  2. Step 2: Convert to fraction form
    31,055,237.18/42,865,934.63 = 20,042,008.19/x
  3. Step 3: Cross multiply
    31,055,237.18x = 42,865,934.63 × 20,042,008.19
  4. Step 4: Simplify right side
    31,055,237.18x = 859,119,412,926,464.75
  5. Step 5: Solve for x
    x = 859,119,412,926,464.75/31,055,237.18
  6. Step 6: Final answer
    x = 27,664,236.08

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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.