Home / 9,128,873.61-13,694,645.70-2,739,630.87

Finding the Fourth Proportional to 9,128,873.61, 13,694,645.70 and 2,739,630.87

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Solution

The fourth proportional to 9,128,873.61, 13,694,645.70 and 2,739,630.87 is: 4,109,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,873.61 : 13,694,645.70 = 2,739,630.87 : x
  2. Step 2: Convert to fraction form
    9,128,873.61/13,694,645.70 = 2,739,630.87/x
  3. Step 3: Cross multiply
    9,128,873.61x = 13,694,645.70 × 2,739,630.87
  4. Step 4: Simplify right side
    9,128,873.61x = 37,518,274,113,432.76
  5. Step 5: Solve for x
    x = 37,518,274,113,432.76/9,128,873.61
  6. Step 6: Final answer
    x = 4,109,847.03

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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.