Home / 7,189,577.38-9,921,684.35-4,091,948.84

Finding the Fourth Proportional to 7,189,577.38, 9,921,684.35 and 4,091,948.84

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Solution

The fourth proportional to 7,189,577.38, 9,921,684.35 and 4,091,948.84 is: 5,646,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,577.38 : 9,921,684.35 = 4,091,948.84 : x
  2. Step 2: Convert to fraction form
    7,189,577.38/9,921,684.35 = 4,091,948.84/x
  3. Step 3: Cross multiply
    7,189,577.38x = 9,921,684.35 × 4,091,948.84
  4. Step 4: Simplify right side
    7,189,577.38x = 40,599,024,746,368.91
  5. Step 5: Solve for x
    x = 40,599,024,746,368.91/7,189,577.38
  6. Step 6: Final answer
    x = 5,646,927.86

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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.