Home / 40,920,562.13-61,406,977.84-19,356,435.95

Finding the Fourth Proportional to 40,920,562.13, 61,406,977.84 and 19,356,435.95

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Solution

The fourth proportional to 40,920,562.13, 61,406,977.84 and 19,356,435.95 is: 29,047,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,920,562.13 : 61,406,977.84 = 19,356,435.95 : x
  2. Step 2: Convert to fraction form
    40,920,562.13/61,406,977.84 = 19,356,435.95/x
  3. Step 3: Cross multiply
    40,920,562.13x = 61,406,977.84 × 19,356,435.95
  4. Step 4: Simplify right side
    40,920,562.13x = 1,188,620,233,087,603.25
  5. Step 5: Solve for x
    x = 1,188,620,233,087,603.25/40,920,562.13
  6. Step 6: Final answer
    x = 29,047,016.25

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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.