Home / 12,608,410.80-18,912,616.20-7,506,577.20

Finding the Fourth Proportional to 12,608,410.80, 18,912,616.20 and 7,506,577.20

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Solution

The fourth proportional to 12,608,410.80, 18,912,616.20 and 7,506,577.20 is: 11,259,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608,410.80 : 18,912,616.20 = 7,506,577.20 : x
  2. Step 2: Convert to fraction form
    12,608,410.80/18,912,616.20 = 7,506,577.20/x
  3. Step 3: Cross multiply
    12,608,410.80x = 18,912,616.20 × 7,506,577.20
  4. Step 4: Simplify right side
    12,608,410.80x = 141,969,013,559,270.62
  5. Step 5: Solve for x
    x = 141,969,013,559,270.62/12,608,410.80
  6. Step 6: Final answer
    x = 11,259,865.80

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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.