Home / 28,884,076.80-43,315,617.60-9,715,459.20

Finding the Fourth Proportional to 28,884,076.80, 43,315,617.60 and 9,715,459.20

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Solution

The fourth proportional to 28,884,076.80, 43,315,617.60 and 9,715,459.20 is: 14,569,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884,076.80 : 43,315,617.60 = 9,715,459.20 : x
  2. Step 2: Convert to fraction form
    28,884,076.80/43,315,617.60 = 9,715,459.20/x
  3. Step 3: Cross multiply
    28,884,076.80x = 43,315,617.60 × 9,715,459.20
  4. Step 4: Simplify right side
    28,884,076.80x = 420,831,115,515,601.88
  5. Step 5: Solve for x
    x = 420,831,115,515,601.88/28,884,076.80
  6. Step 6: Final answer
    x = 14,569,657.82

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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.