Home / 21,171,001.44-29,205,214.56-13,833,127.20

Finding the Fourth Proportional to 21,171,001.44, 29,205,214.56 and 13,833,127.20

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Solution

The fourth proportional to 21,171,001.44, 29,205,214.56 and 13,833,127.20 is: 19,082,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,171,001.44 : 29,205,214.56 = 13,833,127.20 : x
  2. Step 2: Convert to fraction form
    21,171,001.44/29,205,214.56 = 13,833,127.20/x
  3. Step 3: Cross multiply
    21,171,001.44x = 29,205,214.56 × 13,833,127.20
  4. Step 4: Simplify right side
    21,171,001.44x = 403,999,447,911,772
  5. Step 5: Solve for x
    x = 403,999,447,911,772/21,171,001.44
  6. Step 6: Final answer
    x = 19,082,680.10

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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.