Home / 5,429,165.10-8,149,968.45-3,186,566.70

Finding the Fourth Proportional to 5,429,165.10, 8,149,968.45 and 3,186,566.70

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Solution

The fourth proportional to 5,429,165.10, 8,149,968.45 and 3,186,566.70 is: 4,783,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,165.10 : 8,149,968.45 = 3,186,566.70 : x
  2. Step 2: Convert to fraction form
    5,429,165.10/8,149,968.45 = 3,186,566.70/x
  3. Step 3: Cross multiply
    5,429,165.10x = 8,149,968.45 × 3,186,566.70
  4. Step 4: Simplify right side
    5,429,165.10x = 25,970,418,068,820.62
  5. Step 5: Solve for x
    x = 25,970,418,068,820.62/5,429,165.10
  6. Step 6: Final answer
    x = 4,783,501.25

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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.