Home / 12,233,078.60-18,363,614.70-7,187,232.20

Finding the Fourth Proportional to 12,233,078.60, 18,363,614.70 and 7,187,232.20

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Solution

The fourth proportional to 12,233,078.60, 18,363,614.70 and 7,187,232.20 is: 10,789,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233,078.60 : 18,363,614.70 = 7,187,232.20 : x
  2. Step 2: Convert to fraction form
    12,233,078.60/18,363,614.70 = 7,187,232.20/x
  3. Step 3: Cross multiply
    12,233,078.60x = 18,363,614.70 × 7,187,232.20
  4. Step 4: Simplify right side
    12,233,078.60x = 131,983,562,880,233.34
  5. Step 5: Solve for x
    x = 131,983,562,880,233.34/12,233,078.60
  6. Step 6: Final answer
    x = 10,789,071.76

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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.