Home / 12,618,804.80-18,928,207.20-4,100,002.40

Finding the Fourth Proportional to 12,618,804.80, 18,928,207.20 and 4,100,002.40

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Solution

The fourth proportional to 12,618,804.80, 18,928,207.20 and 4,100,002.40 is: 6,150,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,804.80 : 18,928,207.20 = 4,100,002.40 : x
  2. Step 2: Convert to fraction form
    12,618,804.80/18,928,207.20 = 4,100,002.40/x
  3. Step 3: Cross multiply
    12,618,804.80x = 18,928,207.20 × 4,100,002.40
  4. Step 4: Simplify right side
    12,618,804.80x = 77,605,694,947,697.28
  5. Step 5: Solve for x
    x = 77,605,694,947,697.28/12,618,804.80
  6. Step 6: Final answer
    x = 6,150,003.60

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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.