Home / 8,221,548.30-12,332,322.45-8,079,830.70

Finding the Fourth Proportional to 8,221,548.30, 12,332,322.45 and 8,079,830.70

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Solution

The fourth proportional to 8,221,548.30, 12,332,322.45 and 8,079,830.70 is: 12,119,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,548.30 : 12,332,322.45 = 8,079,830.70 : x
  2. Step 2: Convert to fraction form
    8,221,548.30/12,332,322.45 = 8,079,830.70/x
  3. Step 3: Cross multiply
    8,221,548.30x = 12,332,322.45 × 8,079,830.70
  4. Step 4: Simplify right side
    8,221,548.30x = 99,643,077,533,809.22
  5. Step 5: Solve for x
    x = 99,643,077,533,809.22/8,221,548.30
  6. Step 6: Final answer
    x = 12,119,746.05

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Double scale
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Similar ratio
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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.