Home / 42,422,715.36-63,622,459.40-11,709,952.65

Finding the Fourth Proportional to 42,422,715.36, 63,622,459.40 and 11,709,952.65

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Solution

The fourth proportional to 42,422,715.36, 63,622,459.40 and 11,709,952.65 is: 17,561,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422,715.36 : 63,622,459.40 = 11,709,952.65 : x
  2. Step 2: Convert to fraction form
    42,422,715.36/63,622,459.40 = 11,709,952.65/x
  3. Step 3: Cross multiply
    42,422,715.36x = 63,622,459.40 × 11,709,952.65
  4. Step 4: Simplify right side
    42,422,715.36x = 745,015,986,991,997.75
  5. Step 5: Solve for x
    x = 745,015,986,991,997.75/42,422,715.36
  6. Step 6: Final answer
    x = 17,561,723.26

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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.