Home / 7,541,650.80-11,312,499.45-1,861,875.72

Finding the Fourth Proportional to 7,541,650.80, 11,312,499.45 and 1,861,875.72

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Solution

The fourth proportional to 7,541,650.80, 11,312,499.45 and 1,861,875.72 is: 2,792,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,650.80 : 11,312,499.45 = 1,861,875.72 : x
  2. Step 2: Convert to fraction form
    7,541,650.80/11,312,499.45 = 1,861,875.72/x
  3. Step 3: Cross multiply
    7,541,650.80x = 11,312,499.45 × 1,861,875.72
  4. Step 4: Simplify right side
    7,541,650.80x = 21,062,468,058,468.35
  5. Step 5: Solve for x
    x = 21,062,468,058,468.35/7,541,650.80
  6. Step 6: Final answer
    x = 2,792,819.32

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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.