Home / 9,979,948.86-13,772,339.19-5,396,269.02

Finding the Fourth Proportional to 9,979,948.86, 13,772,339.19 and 5,396,269.02

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Solution

The fourth proportional to 9,979,948.86, 13,772,339.19 and 5,396,269.02 is: 7,446,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,948.86 : 13,772,339.19 = 5,396,269.02 : x
  2. Step 2: Convert to fraction form
    9,979,948.86/13,772,339.19 = 5,396,269.02/x
  3. Step 3: Cross multiply
    9,979,948.86x = 13,772,339.19 × 5,396,269.02
  4. Step 4: Simplify right side
    9,979,948.86x = 74,319,247,303,928.89
  5. Step 5: Solve for x
    x = 74,319,247,303,928.89/9,979,948.86
  6. Step 6: Final answer
    x = 7,446,856.53

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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.