Home / 7,125,378.68-9,832,783-4,223,046.51

Finding the Fourth Proportional to 7,125,378.68, 9,832,783 and 4,223,046.51

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Solution

The fourth proportional to 7,125,378.68, 9,832,783 and 4,223,046.51 is: 5,827,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,378.68 : 9,832,783 = 4,223,046.51 : x
  2. Step 2: Convert to fraction form
    7,125,378.68/9,832,783 = 4,223,046.51/x
  3. Step 3: Cross multiply
    7,125,378.68x = 9,832,783 × 4,223,046.51
  4. Step 4: Simplify right side
    7,125,378.68x = 41,524,299,931,737.33
  5. Step 5: Solve for x
    x = 41,524,299,931,737.33/7,125,378.68
  6. Step 6: Final answer
    x = 5,827,662.19

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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.