Home / 11,312,891.76-15,613,472.02-6,665,190.86

Finding the Fourth Proportional to 11,312,891.76, 15,613,472.02 and 6,665,190.86

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Solution

The fourth proportional to 11,312,891.76, 15,613,472.02 and 6,665,190.86 is: 9,198,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312,891.76 : 15,613,472.02 = 6,665,190.86 : x
  2. Step 2: Convert to fraction form
    11,312,891.76/15,613,472.02 = 6,665,190.86/x
  3. Step 3: Cross multiply
    11,312,891.76x = 15,613,472.02 × 6,665,190.86
  4. Step 4: Simplify right side
    11,312,891.76x = 104,066,771,000,569.73
  5. Step 5: Solve for x
    x = 104,066,771,000,569.73/11,312,891.76
  6. Step 6: Final answer
    x = 9,198,954.01

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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.