Home / 12,354,319.20-18,522,838.80-7,303,029.60

Finding the Fourth Proportional to 12,354,319.20, 18,522,838.80 and 7,303,029.60

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Solution

The fourth proportional to 12,354,319.20, 18,522,838.80 and 7,303,029.60 is: 10,949,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,319.20 : 18,522,838.80 = 7,303,029.60 : x
  2. Step 2: Convert to fraction form
    12,354,319.20/18,522,838.80 = 7,303,029.60/x
  3. Step 3: Cross multiply
    12,354,319.20x = 18,522,838.80 × 7,303,029.60
  4. Step 4: Simplify right side
    12,354,319.20x = 135,272,840,032,428.48
  5. Step 5: Solve for x
    x = 135,272,840,032,428.48/12,354,319.20
  6. Step 6: Final answer
    x = 10,949,437.02

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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.