Home / 7,141,139.87-9,861,498.85-4,971,615.22

Finding the Fourth Proportional to 7,141,139.87, 9,861,498.85 and 4,971,615.22

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Solution

The fourth proportional to 7,141,139.87, 9,861,498.85 and 4,971,615.22 is: 6,865,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,139.87 : 9,861,498.85 = 4,971,615.22 : x
  2. Step 2: Convert to fraction form
    7,141,139.87/9,861,498.85 = 4,971,615.22/x
  3. Step 3: Cross multiply
    7,141,139.87x = 9,861,498.85 × 4,971,615.22
  4. Step 4: Simplify right side
    7,141,139.87x = 49,027,577,728,421.18
  5. Step 5: Solve for x
    x = 49,027,577,728,421.18/7,141,139.87
  6. Step 6: Final answer
    x = 6,865,511.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.