Home / 10,430,311.52-15,649,962.78-5,641,372.02

Finding the Fourth Proportional to 10,430,311.52, 15,649,962.78 and 5,641,372.02

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Solution

The fourth proportional to 10,430,311.52, 15,649,962.78 and 5,641,372.02 is: 8,464,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,311.52 : 15,649,962.78 = 5,641,372.02 : x
  2. Step 2: Convert to fraction form
    10,430,311.52/15,649,962.78 = 5,641,372.02/x
  3. Step 3: Cross multiply
    10,430,311.52x = 15,649,962.78 × 5,641,372.02
  4. Step 4: Simplify right side
    10,430,311.52x = 88,287,262,141,133.41
  5. Step 5: Solve for x
    x = 88,287,262,141,133.41/10,430,311.52
  6. Step 6: Final answer
    x = 8,464,489.48

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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.