Home / 28,511,647.13-42,650,340.89-22,765,603.95

Finding the Fourth Proportional to 28,511,647.13, 42,650,340.89 and 22,765,603.95

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Solution

The fourth proportional to 28,511,647.13, 42,650,340.89 and 22,765,603.95 is: 34,054,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,647.13 : 42,650,340.89 = 22,765,603.95 : x
  2. Step 2: Convert to fraction form
    28,511,647.13/42,650,340.89 = 22,765,603.95/x
  3. Step 3: Cross multiply
    28,511,647.13x = 42,650,340.89 × 22,765,603.95
  4. Step 4: Simplify right side
    28,511,647.13x = 970,960,768,920,402.38
  5. Step 5: Solve for x
    x = 970,960,768,920,402.38/28,511,647.13
  6. Step 6: Final answer
    x = 34,054,881.66

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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.