Home / 8,099,985.60-12,153,088.80-7,972,459.20

Finding the Fourth Proportional to 8,099,985.60, 12,153,088.80 and 7,972,459.20

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Solution

The fourth proportional to 8,099,985.60, 12,153,088.80 and 7,972,459.20 is: 11,961,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099,985.60 : 12,153,088.80 = 7,972,459.20 : x
  2. Step 2: Convert to fraction form
    8,099,985.60/12,153,088.80 = 7,972,459.20/x
  3. Step 3: Cross multiply
    8,099,985.60x = 12,153,088.80 × 7,972,459.20
  4. Step 4: Simplify right side
    8,099,985.60x = 96,890,004,611,976.97
  5. Step 5: Solve for x
    x = 96,890,004,611,976.97/8,099,985.60
  6. Step 6: Final answer
    x = 11,961,750.23

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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.