Home / 7,661,402.71-10,572,817.22-4,223,766.76

Finding the Fourth Proportional to 7,661,402.71, 10,572,817.22 and 4,223,766.76

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Solution

The fourth proportional to 7,661,402.71, 10,572,817.22 and 4,223,766.76 is: 5,828,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,402.71 : 10,572,817.22 = 4,223,766.76 : x
  2. Step 2: Convert to fraction form
    7,661,402.71/10,572,817.22 = 4,223,766.76/x
  3. Step 3: Cross multiply
    7,661,402.71x = 10,572,817.22 × 4,223,766.76
  4. Step 4: Simplify right side
    7,661,402.71x = 44,657,113,933,391.61
  5. Step 5: Solve for x
    x = 44,657,113,933,391.61/7,661,402.71
  6. Step 6: Final answer
    x = 5,828,843.05

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1.5x scale

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.