Home / 19,906,257.24-29,841,604.50-7,772,897.88

Finding the Fourth Proportional to 19,906,257.24, 29,841,604.50 and 7,772,897.88

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Solution

The fourth proportional to 19,906,257.24, 29,841,604.50 and 7,772,897.88 is: 11,652,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906,257.24 : 29,841,604.50 = 7,772,897.88 : x
  2. Step 2: Convert to fraction form
    19,906,257.24/29,841,604.50 = 7,772,897.88/x
  3. Step 3: Cross multiply
    19,906,257.24x = 29,841,604.50 × 7,772,897.88
  4. Step 4: Simplify right side
    19,906,257.24x = 231,955,744,353,848.47
  5. Step 5: Solve for x
    x = 231,955,744,353,848.47/19,906,257.24
  6. Step 6: Final answer
    x = 11,652,403.64

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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.