Home / 9,967,760.78-13,755,510.40-5,384,082.20

Finding the Fourth Proportional to 9,967,760.78, 13,755,510.40 and 5,384,082.20

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Solution

The fourth proportional to 9,967,760.78, 13,755,510.40 and 5,384,082.20 is: 7,430,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967,760.78 : 13,755,510.40 = 5,384,082.20 : x
  2. Step 2: Convert to fraction form
    9,967,760.78/13,755,510.40 = 5,384,082.20/x
  3. Step 3: Cross multiply
    9,967,760.78x = 13,755,510.40 × 5,384,082.20
  4. Step 4: Simplify right side
    9,967,760.78x = 74,060,798,696,554.89
  5. Step 5: Solve for x
    x = 74,060,798,696,554.89/9,967,760.78
  6. Step 6: Final answer
    x = 7,430,033.72

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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.