Home / 7,239,741.90-10,859,446.80-3,644,543.40

Finding the Fourth Proportional to 7,239,741.90, 10,859,446.80 and 3,644,543.40

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Solution

The fourth proportional to 7,239,741.90, 10,859,446.80 and 3,644,543.40 is: 5,466,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,741.90 : 10,859,446.80 = 3,644,543.40 : x
  2. Step 2: Convert to fraction form
    7,239,741.90/10,859,446.80 = 3,644,543.40/x
  3. Step 3: Cross multiply
    7,239,741.90x = 10,859,446.80 × 3,644,543.40
  4. Step 4: Simplify right side
    7,239,741.90x = 39,577,725,162,591.12
  5. Step 5: Solve for x
    x = 39,577,725,162,591.12/7,239,741.90
  6. Step 6: Final answer
    x = 5,466,731.51

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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.