Home / 28,921,362.76-39,910,133.30-15,868,327.24

Finding the Fourth Proportional to 28,921,362.76, 39,910,133.30 and 15,868,327.24

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Solution

The fourth proportional to 28,921,362.76, 39,910,133.30 and 15,868,327.24 is: 21,897,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921,362.76 : 39,910,133.30 = 15,868,327.24 : x
  2. Step 2: Convert to fraction form
    28,921,362.76/39,910,133.30 = 15,868,327.24/x
  3. Step 3: Cross multiply
    28,921,362.76x = 39,910,133.30 × 15,868,327.24
  4. Step 4: Simplify right side
    28,921,362.76x = 633,307,055,396,421
  5. Step 5: Solve for x
    x = 633,307,055,396,421/28,921,362.76
  6. Step 6: Final answer
    x = 21,897,552.36

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Double scale
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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.