Home / 12,880,201.28-17,767,577.76-10,461,554.24

Finding the Fourth Proportional to 12,880,201.28, 17,767,577.76 and 10,461,554.24

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Solution

The fourth proportional to 12,880,201.28, 17,767,577.76 and 10,461,554.24 is: 14,431,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,201.28 : 17,767,577.76 = 10,461,554.24 : x
  2. Step 2: Convert to fraction form
    12,880,201.28/17,767,577.76 = 10,461,554.24/x
  3. Step 3: Cross multiply
    12,880,201.28x = 17,767,577.76 × 10,461,554.24
  4. Step 4: Simplify right side
    12,880,201.28x = 185,876,478,449,657.72
  5. Step 5: Solve for x
    x = 185,876,478,449,657.72/12,880,201.28
  6. Step 6: Final answer
    x = 14,431,178.09

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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.