Home / 7,912,297.60-10,918,976.64-4,290,624.64

Finding the Fourth Proportional to 7,912,297.60, 10,918,976.64 and 4,290,624.64

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Solution

The fourth proportional to 7,912,297.60, 10,918,976.64 and 4,290,624.64 is: 5,921,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,297.60 : 10,918,976.64 = 4,290,624.64 : x
  2. Step 2: Convert to fraction form
    7,912,297.60/10,918,976.64 = 4,290,624.64/x
  3. Step 3: Cross multiply
    7,912,297.60x = 10,918,976.64 × 4,290,624.64
  4. Step 4: Simplify right side
    7,912,297.60x = 46,849,230,215,168.41
  5. Step 5: Solve for x
    x = 46,849,230,215,168.41/7,912,297.60
  6. Step 6: Final answer
    x = 5,921,065.23

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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.