Home / 21,499,258-29,668,976.40-11,841,466

Finding the Fourth Proportional to 21,499,258, 29,668,976.40 and 11,841,466

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Solution

The fourth proportional to 21,499,258, 29,668,976.40 and 11,841,466 is: 16,341,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,499,258 : 29,668,976.40 = 11,841,466 : x
  2. Step 2: Convert to fraction form
    21,499,258/29,668,976.40 = 11,841,466/x
  3. Step 3: Cross multiply
    21,499,258x = 29,668,976.40 × 11,841,466
  4. Step 4: Simplify right side
    21,499,258x = 351,324,175,295,402.38
  5. Step 5: Solve for x
    x = 351,324,175,295,402.38/21,499,258
  6. Step 6: Final answer
    x = 16,341,223.28

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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.