Home / 13,305,870.10-19,958,805.15-3,721,998.70

Finding the Fourth Proportional to 13,305,870.10, 19,958,805.15 and 3,721,998.70

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Solution

The fourth proportional to 13,305,870.10, 19,958,805.15 and 3,721,998.70 is: 5,582,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,870.10 : 19,958,805.15 = 3,721,998.70 : x
  2. Step 2: Convert to fraction form
    13,305,870.10/19,958,805.15 = 3,721,998.70/x
  3. Step 3: Cross multiply
    13,305,870.10x = 19,958,805.15 × 3,721,998.70
  4. Step 4: Simplify right side
    13,305,870.10x = 74,286,646,821,853.30
  5. Step 5: Solve for x
    x = 74,286,646,821,853.30/13,305,870.10
  6. Step 6: Final answer
    x = 5,582,998.05

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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.