Home / 31,406,652.30-47,074,986.45-12,231,036.30

Finding the Fourth Proportional to 31,406,652.30, 47,074,986.45 and 12,231,036.30

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Solution

The fourth proportional to 31,406,652.30, 47,074,986.45 and 12,231,036.30 is: 18,332,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406,652.30 : 47,074,986.45 = 12,231,036.30 : x
  2. Step 2: Convert to fraction form
    31,406,652.30/47,074,986.45 = 12,231,036.30/x
  3. Step 3: Cross multiply
    31,406,652.30x = 47,074,986.45 × 12,231,036.30
  4. Step 4: Simplify right side
    31,406,652.30x = 575,775,868,091,958.25
  5. Step 5: Solve for x
    x = 575,775,868,091,958.25/31,406,652.30
  6. Step 6: Final answer
    x = 18,332,927.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.