Home / 12,840,037.20-19,260,055.80-4,317,541.20

Finding the Fourth Proportional to 12,840,037.20, 19,260,055.80 and 4,317,541.20

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Solution

The fourth proportional to 12,840,037.20, 19,260,055.80 and 4,317,541.20 is: 6,476,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,037.20 : 19,260,055.80 = 4,317,541.20 : x
  2. Step 2: Convert to fraction form
    12,840,037.20/19,260,055.80 = 4,317,541.20/x
  3. Step 3: Cross multiply
    12,840,037.20x = 19,260,055.80 × 4,317,541.20
  4. Step 4: Simplify right side
    12,840,037.20x = 83,156,084,430,798.97
  5. Step 5: Solve for x
    x = 83,156,084,430,798.97/12,840,037.20
  6. Step 6: Final answer
    x = 6,476,311.80

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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.