Home / 9,980,320.48-13,772,832.62-5,396,630.92

Finding the Fourth Proportional to 9,980,320.48, 13,772,832.62 and 5,396,630.92

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Solution

The fourth proportional to 9,980,320.48, 13,772,832.62 and 5,396,630.92 is: 7,447,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,320.48 : 13,772,832.62 = 5,396,630.92 : x
  2. Step 2: Convert to fraction form
    9,980,320.48/13,772,832.62 = 5,396,630.92/x
  3. Step 3: Cross multiply
    9,980,320.48x = 13,772,832.62 × 5,396,630.92
  4. Step 4: Simplify right side
    9,980,320.48x = 74,326,894,311,661.38
  5. Step 5: Solve for x
    x = 74,326,894,311,661.38/9,980,320.48
  6. Step 6: Final answer
    x = 7,447,345.45

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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.