Home / 10,199,390.40-15,299,085.60-5,664,427.20

Finding the Fourth Proportional to 10,199,390.40, 15,299,085.60 and 5,664,427.20

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Solution

The fourth proportional to 10,199,390.40, 15,299,085.60 and 5,664,427.20 is: 8,496,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199,390.40 : 15,299,085.60 = 5,664,427.20 : x
  2. Step 2: Convert to fraction form
    10,199,390.40/15,299,085.60 = 5,664,427.20/x
  3. Step 3: Cross multiply
    10,199,390.40x = 15,299,085.60 × 5,664,427.20
  4. Step 4: Simplify right side
    10,199,390.40x = 86,660,556,607,768.33
  5. Step 5: Solve for x
    x = 86,660,556,607,768.33/10,199,390.40
  6. Step 6: Final answer
    x = 8,496,640.80

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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.