Home / 9,980,320.86-13,772,833.13-5,396,631.30

Finding the Fourth Proportional to 9,980,320.86, 13,772,833.13 and 5,396,631.30

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Solution

The fourth proportional to 9,980,320.86, 13,772,833.13 and 5,396,631.30 is: 7,447,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,320.86 : 13,772,833.13 = 5,396,631.30 : x
  2. Step 2: Convert to fraction form
    9,980,320.86/13,772,833.13 = 5,396,631.30/x
  3. Step 3: Cross multiply
    9,980,320.86x = 13,772,833.13 × 5,396,631.30
  4. Step 4: Simplify right side
    9,980,320.86x = 74,326,902,332,051.81
  5. Step 5: Solve for x
    x = 74,326,902,332,051.81/9,980,320.86
  6. Step 6: Final answer
    x = 7,447,345.97

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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.