Home / 13,233,031.30-19,850,130.15-7,475,680.90

Finding the Fourth Proportional to 13,233,031.30, 19,850,130.15 and 7,475,680.90

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Solution

The fourth proportional to 13,233,031.30, 19,850,130.15 and 7,475,680.90 is: 11,213,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,031.30 : 19,850,130.15 = 7,475,680.90 : x
  2. Step 2: Convert to fraction form
    13,233,031.30/19,850,130.15 = 7,475,680.90/x
  3. Step 3: Cross multiply
    13,233,031.30x = 19,850,130.15 × 7,475,680.90
  4. Step 4: Simplify right side
    13,233,031.30x = 148,393,238,824,869.12
  5. Step 5: Solve for x
    x = 148,393,238,824,869.12/13,233,031.30
  6. Step 6: Final answer
    x = 11,213,850.81

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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.