Home / 7,099,347.31-10,653,812.50-2,780,861.88

Finding the Fourth Proportional to 7,099,347.31, 10,653,812.50 and 2,780,861.88

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Solution

The fourth proportional to 7,099,347.31, 10,653,812.50 and 2,780,861.88 is: 4,173,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,347.31 : 10,653,812.50 = 2,780,861.88 : x
  2. Step 2: Convert to fraction form
    7,099,347.31/10,653,812.50 = 2,780,861.88/x
  3. Step 3: Cross multiply
    7,099,347.31x = 10,653,812.50 × 2,780,861.88
  4. Step 4: Simplify right side
    7,099,347.31x = 29,626,781,036,203.56
  5. Step 5: Solve for x
    x = 29,626,781,036,203.56/7,099,347.31
  6. Step 6: Final answer
    x = 4,173,169.69

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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.