Home / 21,669,646.23-29,902,452.16-12,375,933.35

Finding the Fourth Proportional to 21,669,646.23, 29,902,452.16 and 12,375,933.35

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Solution

The fourth proportional to 21,669,646.23, 29,902,452.16 and 12,375,933.35 is: 17,077,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,646.23 : 29,902,452.16 = 12,375,933.35 : x
  2. Step 2: Convert to fraction form
    21,669,646.23/29,902,452.16 = 12,375,933.35/x
  3. Step 3: Cross multiply
    21,669,646.23x = 29,902,452.16 × 12,375,933.35
  4. Step 4: Simplify right side
    21,669,646.23x = 370,070,754,918,552.06
  5. Step 5: Solve for x
    x = 370,070,754,918,552.06/21,669,646.23
  6. Step 6: Final answer
    x = 17,077,840.17

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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.