Home / 9,295,934.55-12,828,701.18-5,166,139.72

Finding the Fourth Proportional to 9,295,934.55, 12,828,701.18 and 5,166,139.72

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Solution

The fourth proportional to 9,295,934.55, 12,828,701.18 and 5,166,139.72 is: 7,129,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,934.55 : 12,828,701.18 = 5,166,139.72 : x
  2. Step 2: Convert to fraction form
    9,295,934.55/12,828,701.18 = 5,166,139.72/x
  3. Step 3: Cross multiply
    9,295,934.55x = 12,828,701.18 × 5,166,139.72
  4. Step 4: Simplify right side
    9,295,934.55x = 66,274,862,722,008.87
  5. Step 5: Solve for x
    x = 66,274,862,722,008.87/9,295,934.55
  6. Step 6: Final answer
    x = 7,129,445.93

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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.