Home / 10,385,125.40-15,580,567.65-4,322,712.80

Finding the Fourth Proportional to 10,385,125.40, 15,580,567.65 and 4,322,712.80

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Solution

The fourth proportional to 10,385,125.40, 15,580,567.65 and 4,322,712.80 is: 6,485,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,125.40 : 15,580,567.65 = 4,322,712.80 : x
  2. Step 2: Convert to fraction form
    10,385,125.40/15,580,567.65 = 4,322,712.80/x
  3. Step 3: Cross multiply
    10,385,125.40x = 15,580,567.65 × 4,322,712.80
  4. Step 4: Simplify right side
    10,385,125.40x = 67,350,319,211,920.92
  5. Step 5: Solve for x
    x = 67,350,319,211,920.92/10,385,125.40
  6. Step 6: Final answer
    x = 6,485,267.79

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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.