Home / 8,430,056.03-12,653,014.05-7,969,321.52

Finding the Fourth Proportional to 8,430,056.03, 12,653,014.05 and 7,969,321.52

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Solution

The fourth proportional to 8,430,056.03, 12,653,014.05 and 7,969,321.52 is: 11,961,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,056.03 : 12,653,014.05 = 7,969,321.52 : x
  2. Step 2: Convert to fraction form
    8,430,056.03/12,653,014.05 = 7,969,321.52/x
  3. Step 3: Cross multiply
    8,430,056.03x = 12,653,014.05 × 7,969,321.52
  4. Step 4: Simplify right side
    8,430,056.03x = 100,835,937,145,711.09
  5. Step 5: Solve for x
    x = 100,835,937,145,711.09/8,430,056.03
  6. Step 6: Final answer
    x = 11,961,478.87

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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.