Home / 8,197,139.70-11,312,107.47-4,475,996.54

Finding the Fourth Proportional to 8,197,139.70, 11,312,107.47 and 4,475,996.54

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Solution

The fourth proportional to 8,197,139.70, 11,312,107.47 and 4,475,996.54 is: 6,176,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,139.70 : 11,312,107.47 = 4,475,996.54 : x
  2. Step 2: Convert to fraction form
    8,197,139.70/11,312,107.47 = 4,475,996.54/x
  3. Step 3: Cross multiply
    8,197,139.70x = 11,312,107.47 × 4,475,996.54
  4. Step 4: Simplify right side
    8,197,139.70x = 50,632,953,839,267.62
  5. Step 5: Solve for x
    x = 50,632,953,839,267.62/8,197,139.70
  6. Step 6: Final answer
    x = 6,176,905.08

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.