Home / 7,838,793.85-11,758,308.98-2,721,386.25

Finding the Fourth Proportional to 7,838,793.85, 11,758,308.98 and 2,721,386.25

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Solution

The fourth proportional to 7,838,793.85, 11,758,308.98 and 2,721,386.25 is: 4,082,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,793.85 : 11,758,308.98 = 2,721,386.25 : x
  2. Step 2: Convert to fraction form
    7,838,793.85/11,758,308.98 = 2,721,386.25/x
  3. Step 3: Cross multiply
    7,838,793.85x = 11,758,308.98 × 2,721,386.25
  4. Step 4: Simplify right side
    7,838,793.85x = 31,998,900,309,025.05
  5. Step 5: Solve for x
    x = 31,998,900,309,025.05/7,838,793.85
  6. Step 6: Final answer
    x = 4,082,120.40

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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.