Home / 10,502,351.40-15,722,034.30-9,879,493.80

Finding the Fourth Proportional to 10,502,351.40, 15,722,034.30 and 9,879,493.80

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Solution

The fourth proportional to 10,502,351.40, 15,722,034.30 and 9,879,493.80 is: 14,789,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,351.40 : 15,722,034.30 = 9,879,493.80 : x
  2. Step 2: Convert to fraction form
    10,502,351.40/15,722,034.30 = 9,879,493.80/x
  3. Step 3: Cross multiply
    10,502,351.40x = 15,722,034.30 × 9,879,493.80
  4. Step 4: Simplify right side
    10,502,351.40x = 155,325,740,390,237.34
  5. Step 5: Solve for x
    x = 155,325,740,390,237.34/10,502,351.40
  6. Step 6: Final answer
    x = 14,789,615.63

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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.