Home / 12,225,247.92-16,870,923-7,644,250.80

Finding the Fourth Proportional to 12,225,247.92, 16,870,923 and 7,644,250.80

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Solution

The fourth proportional to 12,225,247.92, 16,870,923 and 7,644,250.80 is: 10,549,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,247.92 : 16,870,923 = 7,644,250.80 : x
  2. Step 2: Convert to fraction form
    12,225,247.92/16,870,923 = 7,644,250.80/x
  3. Step 3: Cross multiply
    12,225,247.92x = 16,870,923 × 7,644,250.80
  4. Step 4: Simplify right side
    12,225,247.92x = 128,965,566,639,488.39
  5. Step 5: Solve for x
    x = 128,965,566,639,488.39/12,225,247.92
  6. Step 6: Final answer
    x = 10,549,116.67

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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.