Home / 18,791,040.50-25,931,194.84-11,056,583.78

Finding the Fourth Proportional to 18,791,040.50, 25,931,194.84 and 11,056,583.78

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Solution

The fourth proportional to 18,791,040.50, 25,931,194.84 and 11,056,583.78 is: 15,257,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791,040.50 : 25,931,194.84 = 11,056,583.78 : x
  2. Step 2: Convert to fraction form
    18,791,040.50/25,931,194.84 = 11,056,583.78/x
  3. Step 3: Cross multiply
    18,791,040.50x = 25,931,194.84 × 11,056,583.78
  4. Step 4: Simplify right side
    18,791,040.50x = 286,710,428,263,963.69
  5. Step 5: Solve for x
    x = 286,710,428,263,963.69/18,791,040.50
  6. Step 6: Final answer
    x = 15,257,826.10

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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.