Home / 7,250,426.12-10,005,844.96-3,987,493.22

Finding the Fourth Proportional to 7,250,426.12, 10,005,844.96 and 3,987,493.22

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Solution

The fourth proportional to 7,250,426.12, 10,005,844.96 and 3,987,493.22 is: 5,502,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,426.12 : 10,005,844.96 = 3,987,493.22 : x
  2. Step 2: Convert to fraction form
    7,250,426.12/10,005,844.96 = 3,987,493.22/x
  3. Step 3: Cross multiply
    7,250,426.12x = 10,005,844.96 × 3,987,493.22
  4. Step 4: Simplify right side
    7,250,426.12x = 39,898,238,938,371.18
  5. Step 5: Solve for x
    x = 39,898,238,938,371.18/7,250,426.12
  6. Step 6: Final answer
    x = 5,502,881.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.