Home / 18,938,201.20-26,134,833-10,236,351.76

Finding the Fourth Proportional to 18,938,201.20, 26,134,833 and 10,236,351.76

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Solution

The fourth proportional to 18,938,201.20, 26,134,833 and 10,236,351.76 is: 14,126,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938,201.20 : 26,134,833 = 10,236,351.76 : x
  2. Step 2: Convert to fraction form
    18,938,201.20/26,134,833 = 10,236,351.76/x
  3. Step 3: Cross multiply
    18,938,201.20x = 26,134,833 × 10,236,351.76
  4. Step 4: Simplify right side
    18,938,201.20x = 267,525,343,776,856.06
  5. Step 5: Solve for x
    x = 267,525,343,776,856.06/18,938,201.20
  6. Step 6: Final answer
    x = 14,126,227.77

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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.