Home / 21,246,071.20-31,827,116.40-11,644,266.40

Finding the Fourth Proportional to 21,246,071.20, 31,827,116.40 and 11,644,266.40

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Solution

The fourth proportional to 21,246,071.20, 31,827,116.40 and 11,644,266.40 is: 17,443,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246,071.20 : 31,827,116.40 = 11,644,266.40 : x
  2. Step 2: Convert to fraction form
    21,246,071.20/31,827,116.40 = 11,644,266.40/x
  3. Step 3: Cross multiply
    21,246,071.20x = 31,827,116.40 × 11,644,266.40
  4. Step 4: Simplify right side
    21,246,071.20x = 370,603,422,105,408.94
  5. Step 5: Solve for x
    x = 370,603,422,105,408.94/21,246,071.20
  6. Step 6: Final answer
    x = 17,443,386.06

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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.