Home / 12,477,047.80-18,715,571.70-7,083,614.20

Finding the Fourth Proportional to 12,477,047.80, 18,715,571.70 and 7,083,614.20

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Solution

The fourth proportional to 12,477,047.80, 18,715,571.70 and 7,083,614.20 is: 10,625,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,047.80 : 18,715,571.70 = 7,083,614.20 : x
  2. Step 2: Convert to fraction form
    12,477,047.80/18,715,571.70 = 7,083,614.20/x
  3. Step 3: Cross multiply
    12,477,047.80x = 18,715,571.70 × 7,083,614.20
  4. Step 4: Simplify right side
    12,477,047.80x = 132,573,889,455,238.14
  5. Step 5: Solve for x
    x = 132,573,889,455,238.14/12,477,047.80
  6. Step 6: Final answer
    x = 10,625,421.30

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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.