Home / 21,210,248.62-31,829,323.26-11,632,353.20

Finding the Fourth Proportional to 21,210,248.62, 31,829,323.26 and 11,632,353.20

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Solution

The fourth proportional to 21,210,248.62, 31,829,323.26 and 11,632,353.20 is: 17,456,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,248.62 : 31,829,323.26 = 11,632,353.20 : x
  2. Step 2: Convert to fraction form
    21,210,248.62/31,829,323.26 = 11,632,353.20/x
  3. Step 3: Cross multiply
    21,210,248.62x = 31,829,323.26 × 11,632,353.20
  4. Step 4: Simplify right side
    21,210,248.62x = 370,249,930,215,698.12
  5. Step 5: Solve for x
    x = 370,249,930,215,698.12/21,210,248.62
  6. Step 6: Final answer
    x = 17,456,180.59

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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.