Home / 21,009,883.04-31,512,456.84-5,658,296.38

Finding the Fourth Proportional to 21,009,883.04, 31,512,456.84 and 5,658,296.38

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Solution

The fourth proportional to 21,009,883.04, 31,512,456.84 and 5,658,296.38 is: 8,486,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009,883.04 : 31,512,456.84 = 5,658,296.38 : x
  2. Step 2: Convert to fraction form
    21,009,883.04/31,512,456.84 = 5,658,296.38/x
  3. Step 3: Cross multiply
    21,009,883.04x = 31,512,456.84 × 5,658,296.38
  4. Step 4: Simplify right side
    21,009,883.04x = 178,306,820,462,678.25
  5. Step 5: Solve for x
    x = 178,306,820,462,678.25/21,009,883.04
  6. Step 6: Final answer
    x = 8,486,806.91

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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.