Home / 10,578,195.60-15,872,542.20-4,188,656.40

Finding the Fourth Proportional to 10,578,195.60, 15,872,542.20 and 4,188,656.40

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Solution

The fourth proportional to 10,578,195.60, 15,872,542.20 and 4,188,656.40 is: 6,285,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578,195.60 : 15,872,542.20 = 4,188,656.40 : x
  2. Step 2: Convert to fraction form
    10,578,195.60/15,872,542.20 = 4,188,656.40/x
  3. Step 3: Cross multiply
    10,578,195.60x = 15,872,542.20 × 4,188,656.40
  4. Step 4: Simplify right side
    10,578,195.60x = 66,484,625,470,300.08
  5. Step 5: Solve for x
    x = 66,484,625,470,300.08/10,578,195.60
  6. Step 6: Final answer
    x = 6,285,062.97

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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.