Home / 7,775,999.65-11,663,999.48-7,029,503.65

Finding the Fourth Proportional to 7,775,999.65, 11,663,999.48 and 7,029,503.65

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Solution

The fourth proportional to 7,775,999.65, 11,663,999.48 and 7,029,503.65 is: 10,544,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,999.65 : 11,663,999.48 = 7,029,503.65 : x
  2. Step 2: Convert to fraction form
    7,775,999.65/11,663,999.48 = 7,029,503.65/x
  3. Step 3: Cross multiply
    7,775,999.65x = 11,663,999.48 × 7,029,503.65
  4. Step 4: Simplify right side
    7,775,999.65x = 81,992,126,918,258.11
  5. Step 5: Solve for x
    x = 81,992,126,918,258.11/7,775,999.65
  6. Step 6: Final answer
    x = 10,544,255.48

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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.