Home / 10,781,443.44-14,873,020.74-6,427,461.78

Finding the Fourth Proportional to 10,781,443.44, 14,873,020.74 and 6,427,461.78

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Solution

The fourth proportional to 10,781,443.44, 14,873,020.74 and 6,427,461.78 is: 8,866,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,443.44 : 14,873,020.74 = 6,427,461.78 : x
  2. Step 2: Convert to fraction form
    10,781,443.44/14,873,020.74 = 6,427,461.78/x
  3. Step 3: Cross multiply
    10,781,443.44x = 14,873,020.74 × 6,427,461.78
  4. Step 4: Simplify right side
    10,781,443.44x = 95,595,772,359,497.33
  5. Step 5: Solve for x
    x = 95,595,772,359,497.33/10,781,443.44
  6. Step 6: Final answer
    x = 8,866,695.16

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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.