Home / 7,782,891.85-11,674,337.78-7,341,992.65

Finding the Fourth Proportional to 7,782,891.85, 11,674,337.78 and 7,341,992.65

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Solution

The fourth proportional to 7,782,891.85, 11,674,337.78 and 7,341,992.65 is: 11,012,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,891.85 : 11,674,337.78 = 7,341,992.65 : x
  2. Step 2: Convert to fraction form
    7,782,891.85/11,674,337.78 = 7,341,992.65/x
  3. Step 3: Cross multiply
    7,782,891.85x = 11,674,337.78 × 7,341,992.65
  4. Step 4: Simplify right side
    7,782,891.85x = 85,712,902,137,667.36
  5. Step 5: Solve for x
    x = 85,712,902,137,667.36/7,782,891.85
  6. Step 6: Final answer
    x = 11,012,988.98

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Double scale
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Similar ratio
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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.