Home / 7,170,533.28-9,895,207.92-3,907,376.16

Finding the Fourth Proportional to 7,170,533.28, 9,895,207.92 and 3,907,376.16

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Solution

The fourth proportional to 7,170,533.28, 9,895,207.92 and 3,907,376.16 is: 5,392,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,533.28 : 9,895,207.92 = 3,907,376.16 : x
  2. Step 2: Convert to fraction form
    7,170,533.28/9,895,207.92 = 3,907,376.16/x
  3. Step 3: Cross multiply
    7,170,533.28x = 9,895,207.92 × 3,907,376.16
  4. Step 4: Simplify right side
    7,170,533.28x = 38,664,299,524,851.19
  5. Step 5: Solve for x
    x = 38,664,299,524,851.19/7,170,533.28
  6. Step 6: Final answer
    x = 5,392,109.35

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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.