Home / 10,280,614-15,420,810.20-4,213,993.54

Finding the Fourth Proportional to 10,280,614, 15,420,810.20 and 4,213,993.54

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Solution

The fourth proportional to 10,280,614, 15,420,810.20 and 4,213,993.54 is: 6,320,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280,614 : 15,420,810.20 = 4,213,993.54 : x
  2. Step 2: Convert to fraction form
    10,280,614/15,420,810.20 = 4,213,993.54/x
  3. Step 3: Cross multiply
    10,280,614x = 15,420,810.20 × 4,213,993.54
  4. Step 4: Simplify right side
    10,280,614x = 64,983,194,564,366.10
  5. Step 5: Solve for x
    x = 64,983,194,564,366.10/10,280,614
  6. Step 6: Final answer
    x = 6,320,944.89

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1.5x scale

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.