Home / 6,912,208.80-10,368,313.20-3,125,815.20

Finding the Fourth Proportional to 6,912,208.80, 10,368,313.20 and 3,125,815.20

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Solution

The fourth proportional to 6,912,208.80, 10,368,313.20 and 3,125,815.20 is: 4,688,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,208.80 : 10,368,313.20 = 3,125,815.20 : x
  2. Step 2: Convert to fraction form
    6,912,208.80/10,368,313.20 = 3,125,815.20/x
  3. Step 3: Cross multiply
    6,912,208.80x = 10,368,313.20 × 3,125,815.20
  4. Step 4: Simplify right side
    6,912,208.80x = 32,409,430,998,920.64
  5. Step 5: Solve for x
    x = 32,409,430,998,920.64/6,912,208.80
  6. Step 6: Final answer
    x = 4,688,722.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.