Home / 20,552,116.59-28,361,916.59-11,260,016.28

Finding the Fourth Proportional to 20,552,116.59, 28,361,916.59 and 11,260,016.28

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Solution

The fourth proportional to 20,552,116.59, 28,361,916.59 and 11,260,016.28 is: 15,538,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,116.59 : 28,361,916.59 = 11,260,016.28 : x
  2. Step 2: Convert to fraction form
    20,552,116.59/28,361,916.59 = 11,260,016.28/x
  3. Step 3: Cross multiply
    20,552,116.59x = 28,361,916.59 × 11,260,016.28
  4. Step 4: Simplify right side
    20,552,116.59x = 319,355,642,479,102
  5. Step 5: Solve for x
    x = 319,355,642,479,102/20,552,116.59
  6. Step 6: Final answer
    x = 15,538,820.11

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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.