Home / 10,367,999.18-15,551,998.76-7,813,323.98

Finding the Fourth Proportional to 10,367,999.18, 15,551,998.76 and 7,813,323.98

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Solution

The fourth proportional to 10,367,999.18, 15,551,998.76 and 7,813,323.98 is: 11,719,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,999.18 : 15,551,998.76 = 7,813,323.98 : x
  2. Step 2: Convert to fraction form
    10,367,999.18/15,551,998.76 = 7,813,323.98/x
  3. Step 3: Cross multiply
    10,367,999.18x = 15,551,998.76 × 7,813,323.98
  4. Step 4: Simplify right side
    10,367,999.18x = 121,512,804,790,211.56
  5. Step 5: Solve for x
    x = 121,512,804,790,211.56/10,367,999.18
  6. Step 6: Final answer
    x = 11,719,985.96

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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.