Home / 12,563,897.20-18,845,845.80-8,582,585.20

Finding the Fourth Proportional to 12,563,897.20, 18,845,845.80 and 8,582,585.20

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Solution

The fourth proportional to 12,563,897.20, 18,845,845.80 and 8,582,585.20 is: 12,873,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,897.20 : 18,845,845.80 = 8,582,585.20 : x
  2. Step 2: Convert to fraction form
    12,563,897.20/18,845,845.80 = 8,582,585.20/x
  3. Step 3: Cross multiply
    12,563,897.20x = 18,845,845.80 × 8,582,585.20
  4. Step 4: Simplify right side
    12,563,897.20x = 161,746,077,244,562.16
  5. Step 5: Solve for x
    x = 161,746,077,244,562.16/12,563,897.20
  6. Step 6: Final answer
    x = 12,873,877.80

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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.