Home / 8,069,269.20-12,117,900.60-4,290,133.20

Finding the Fourth Proportional to 8,069,269.20, 12,117,900.60 and 4,290,133.20

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Solution

The fourth proportional to 8,069,269.20, 12,117,900.60 and 4,290,133.20 is: 6,442,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069,269.20 : 12,117,900.60 = 4,290,133.20 : x
  2. Step 2: Convert to fraction form
    8,069,269.20/12,117,900.60 = 4,290,133.20/x
  3. Step 3: Cross multiply
    8,069,269.20x = 12,117,900.60 × 4,290,133.20
  4. Step 4: Simplify right side
    8,069,269.20x = 51,987,407,678,359.92
  5. Step 5: Solve for x
    x = 51,987,407,678,359.92/8,069,269.20
  6. Step 6: Final answer
    x = 6,442,641.38

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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.