Home / 5,981,770.20-8,972,655.30-5,320,421.40

Finding the Fourth Proportional to 5,981,770.20, 8,972,655.30 and 5,320,421.40

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Solution

The fourth proportional to 5,981,770.20, 8,972,655.30 and 5,320,421.40 is: 7,980,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,770.20 : 8,972,655.30 = 5,320,421.40 : x
  2. Step 2: Convert to fraction form
    5,981,770.20/8,972,655.30 = 5,320,421.40/x
  3. Step 3: Cross multiply
    5,981,770.20x = 8,972,655.30 × 5,320,421.40
  4. Step 4: Simplify right side
    5,981,770.20x = 47,738,307,272,943.43
  5. Step 5: Solve for x
    x = 47,738,307,272,943.43/5,981,770.20
  6. Step 6: Final answer
    x = 7,980,632.10

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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.