Home / 16,405,220.40-24,607,830.60-12,578,845.20

Finding the Fourth Proportional to 16,405,220.40, 24,607,830.60 and 12,578,845.20

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Solution

The fourth proportional to 16,405,220.40, 24,607,830.60 and 12,578,845.20 is: 18,868,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405,220.40 : 24,607,830.60 = 12,578,845.20 : x
  2. Step 2: Convert to fraction form
    16,405,220.40/24,607,830.60 = 12,578,845.20/x
  3. Step 3: Cross multiply
    16,405,220.40x = 24,607,830.60 × 12,578,845.20
  4. Step 4: Simplify right side
    16,405,220.40x = 309,538,091,825,223.12
  5. Step 5: Solve for x
    x = 309,538,091,825,223.12/16,405,220.40
  6. Step 6: Final answer
    x = 18,868,267.80

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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.