Home / 12,359,066.20-18,510,605.70-7,320,218.20

Finding the Fourth Proportional to 12,359,066.20, 18,510,605.70 and 7,320,218.20

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Solution

The fourth proportional to 12,359,066.20, 18,510,605.70 and 7,320,218.20 is: 10,963,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,066.20 : 18,510,605.70 = 7,320,218.20 : x
  2. Step 2: Convert to fraction form
    12,359,066.20/18,510,605.70 = 7,320,218.20/x
  3. Step 3: Cross multiply
    12,359,066.20x = 18,510,605.70 × 7,320,218.20
  4. Step 4: Simplify right side
    12,359,066.20x = 135,501,672,738,163.73
  5. Step 5: Solve for x
    x = 135,501,672,738,163.73/12,359,066.20
  6. Step 6: Final answer
    x = 10,963,746.82

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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.