Home / 12,474,205.20-18,730,553.40-6,805,501.20

Finding the Fourth Proportional to 12,474,205.20, 18,730,553.40 and 6,805,501.20

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Solution

The fourth proportional to 12,474,205.20, 18,730,553.40 and 6,805,501.20 is: 10,218,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,205.20 : 18,730,553.40 = 6,805,501.20 : x
  2. Step 2: Convert to fraction form
    12,474,205.20/18,730,553.40 = 6,805,501.20/x
  3. Step 3: Cross multiply
    12,474,205.20x = 18,730,553.40 × 6,805,501.20
  4. Step 4: Simplify right side
    12,474,205.20x = 127,470,803,640,364.08
  5. Step 5: Solve for x
    x = 127,470,803,640,364.08/12,474,205.20
  6. Step 6: Final answer
    x = 10,218,751.54

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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.