Home / 11,264,005.20-16,896,007.80-7,680,824.40

Finding the Fourth Proportional to 11,264,005.20, 16,896,007.80 and 7,680,824.40

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Solution

The fourth proportional to 11,264,005.20, 16,896,007.80 and 7,680,824.40 is: 11,521,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264,005.20 : 16,896,007.80 = 7,680,824.40 : x
  2. Step 2: Convert to fraction form
    11,264,005.20/16,896,007.80 = 7,680,824.40/x
  3. Step 3: Cross multiply
    11,264,005.20x = 16,896,007.80 × 7,680,824.40
  4. Step 4: Simplify right side
    11,264,005.20x = 129,775,268,972,830.33
  5. Step 5: Solve for x
    x = 129,775,268,972,830.33/11,264,005.20
  6. Step 6: Final answer
    x = 11,521,236.60

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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.