Home / 21,060,929.36-31,591,394.40-5,104,577.36

Finding the Fourth Proportional to 21,060,929.36, 31,591,394.40 and 5,104,577.36

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Solution

The fourth proportional to 21,060,929.36, 31,591,394.40 and 5,104,577.36 is: 7,656,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,929.36 : 31,591,394.40 = 5,104,577.36 : x
  2. Step 2: Convert to fraction form
    21,060,929.36/31,591,394.40 = 5,104,577.36/x
  3. Step 3: Cross multiply
    21,060,929.36x = 31,591,394.40 × 5,104,577.36
  4. Step 4: Simplify right side
    21,060,929.36x = 161,260,716,625,070.78
  5. Step 5: Solve for x
    x = 161,260,716,625,070.78/21,060,929.36
  6. Step 6: Final answer
    x = 7,656,866.13

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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.