Home / 31,506,925.20-47,298,769.65-19,992,370.20

Finding the Fourth Proportional to 31,506,925.20, 47,298,769.65 and 19,992,370.20

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Solution

The fourth proportional to 31,506,925.20, 47,298,769.65 and 19,992,370.20 is: 30,012,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,925.20 : 47,298,769.65 = 19,992,370.20 : x
  2. Step 2: Convert to fraction form
    31,506,925.20/47,298,769.65 = 19,992,370.20/x
  3. Step 3: Cross multiply
    31,506,925.20x = 47,298,769.65 × 19,992,370.20
  4. Step 4: Simplify right side
    31,506,925.20x = 945,614,512,847,324.38
  5. Step 5: Solve for x
    x = 945,614,512,847,324.38/31,506,925.20
  6. Step 6: Final answer
    x = 30,012,910.08

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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.