Home / 9,912,879.28-13,680,009.06-5,562,287.26

Finding the Fourth Proportional to 9,912,879.28, 13,680,009.06 and 5,562,287.26

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Solution

The fourth proportional to 9,912,879.28, 13,680,009.06 and 5,562,287.26 is: 7,676,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,879.28 : 13,680,009.06 = 5,562,287.26 : x
  2. Step 2: Convert to fraction form
    9,912,879.28/13,680,009.06 = 5,562,287.26/x
  3. Step 3: Cross multiply
    9,912,879.28x = 13,680,009.06 × 5,562,287.26
  4. Step 4: Simplify right side
    9,912,879.28x = 76,092,140,111,122.58
  5. Step 5: Solve for x
    x = 76,092,140,111,122.58/9,912,879.28
  6. Step 6: Final answer
    x = 7,676,088.65

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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.