Home / 20,193,603.30-30,290,404.95-17,961,551.10

Finding the Fourth Proportional to 20,193,603.30, 30,290,404.95 and 17,961,551.10

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Solution

The fourth proportional to 20,193,603.30, 30,290,404.95 and 17,961,551.10 is: 26,942,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,603.30 : 30,290,404.95 = 17,961,551.10 : x
  2. Step 2: Convert to fraction form
    20,193,603.30/30,290,404.95 = 17,961,551.10/x
  3. Step 3: Cross multiply
    20,193,603.30x = 30,290,404.95 × 17,961,551.10
  4. Step 4: Simplify right side
    20,193,603.30x = 544,062,656,349,118
  5. Step 5: Solve for x
    x = 544,062,656,349,118/20,193,603.30
  6. Step 6: Final answer
    x = 26,942,326.65

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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.