Home / 13,110,724.80-18,092,876.04-7,309,867.68

Finding the Fourth Proportional to 13,110,724.80, 18,092,876.04 and 7,309,867.68

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Solution

The fourth proportional to 13,110,724.80, 18,092,876.04 and 7,309,867.68 is: 10,087,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,724.80 : 18,092,876.04 = 7,309,867.68 : x
  2. Step 2: Convert to fraction form
    13,110,724.80/18,092,876.04 = 7,309,867.68/x
  3. Step 3: Cross multiply
    13,110,724.80x = 18,092,876.04 × 7,309,867.68
  4. Step 4: Simplify right side
    13,110,724.80x = 132,256,529,803,042.38
  5. Step 5: Solve for x
    x = 132,256,529,803,042.38/13,110,724.80
  6. Step 6: Final answer
    x = 10,087,659.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.