Home / 9,128,661.12-12,597,945.96-5,054,280

Finding the Fourth Proportional to 9,128,661.12, 12,597,945.96 and 5,054,280

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Solution

The fourth proportional to 9,128,661.12, 12,597,945.96 and 5,054,280 is: 6,975,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,661.12 : 12,597,945.96 = 5,054,280 : x
  2. Step 2: Convert to fraction form
    9,128,661.12/12,597,945.96 = 5,054,280/x
  3. Step 3: Cross multiply
    9,128,661.12x = 12,597,945.96 × 5,054,280
  4. Step 4: Simplify right side
    9,128,661.12x = 63,673,546,306,708.80
  5. Step 5: Solve for x
    x = 63,673,546,306,708.80/9,128,661.12
  6. Step 6: Final answer
    x = 6,975,124.33

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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.