Home / 6,918,793.90-10,386,064.05-4,080,505.30

Finding the Fourth Proportional to 6,918,793.90, 10,386,064.05 and 4,080,505.30

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Solution

The fourth proportional to 6,918,793.90, 10,386,064.05 and 4,080,505.30 is: 6,125,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,793.90 : 10,386,064.05 = 4,080,505.30 : x
  2. Step 2: Convert to fraction form
    6,918,793.90/10,386,064.05 = 4,080,505.30/x
  3. Step 3: Cross multiply
    6,918,793.90x = 10,386,064.05 × 4,080,505.30
  4. Step 4: Simplify right side
    6,918,793.90x = 42,380,389,402,164.47
  5. Step 5: Solve for x
    x = 42,380,389,402,164.47/6,918,793.90
  6. Step 6: Final answer
    x = 6,125,401.34

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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.