Home / 7,661,943.12-10,573,957.98-4,224,178.92

Finding the Fourth Proportional to 7,661,943.12, 10,573,957.98 and 4,224,178.92

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Solution

The fourth proportional to 7,661,943.12, 10,573,957.98 and 4,224,178.92 is: 5,829,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,943.12 : 10,573,957.98 = 4,224,178.92 : x
  2. Step 2: Convert to fraction form
    7,661,943.12/10,573,957.98 = 4,224,178.92/x
  3. Step 3: Cross multiply
    7,661,943.12x = 10,573,957.98 × 4,224,178.92
  4. Step 4: Simplify right side
    7,661,943.12x = 44,666,290,400,081.78
  5. Step 5: Solve for x
    x = 44,666,290,400,081.78/7,661,943.12
  6. Step 6: Final answer
    x = 5,829,629.60

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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.