Home / 18,358,930.80-27,542,543.40-10,781,996.40

Finding the Fourth Proportional to 18,358,930.80, 27,542,543.40 and 10,781,996.40

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Solution

The fourth proportional to 18,358,930.80, 27,542,543.40 and 10,781,996.40 is: 16,175,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,930.80 : 27,542,543.40 = 10,781,996.40 : x
  2. Step 2: Convert to fraction form
    18,358,930.80/27,542,543.40 = 10,781,996.40/x
  3. Step 3: Cross multiply
    18,358,930.80x = 27,542,543.40 × 10,781,996.40
  4. Step 4: Simplify right side
    18,358,930.80x = 296,963,603,785,643.75
  5. Step 5: Solve for x
    x = 296,963,603,785,643.75/18,358,930.80
  6. Step 6: Final answer
    x = 16,175,430.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.