Home / 7,187,166.40-10,780,749.60-6,667,535.20

Finding the Fourth Proportional to 7,187,166.40, 10,780,749.60 and 6,667,535.20

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Solution

The fourth proportional to 7,187,166.40, 10,780,749.60 and 6,667,535.20 is: 10,001,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,166.40 : 10,780,749.60 = 6,667,535.20 : x
  2. Step 2: Convert to fraction form
    7,187,166.40/10,780,749.60 = 6,667,535.20/x
  3. Step 3: Cross multiply
    7,187,166.40x = 10,780,749.60 × 6,667,535.20
  4. Step 4: Simplify right side
    7,187,166.40x = 71,881,027,440,385.92
  5. Step 5: Solve for x
    x = 71,881,027,440,385.92/7,187,166.40
  6. Step 6: Final answer
    x = 10,001,302.80

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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.