Home / 10,929,514.40-15,082,802.79-5,967,990.20

Finding the Fourth Proportional to 10,929,514.40, 15,082,802.79 and 5,967,990.20

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Solution

The fourth proportional to 10,929,514.40, 15,082,802.79 and 5,967,990.20 is: 8,235,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,514.40 : 15,082,802.79 = 5,967,990.20 : x
  2. Step 2: Convert to fraction form
    10,929,514.40/15,082,802.79 = 5,967,990.20/x
  3. Step 3: Cross multiply
    10,929,514.40x = 15,082,802.79 × 5,967,990.20
  4. Step 4: Simplify right side
    10,929,514.40x = 90,014,019,148,918.67
  5. Step 5: Solve for x
    x = 90,014,019,148,918.67/10,929,514.40
  6. Step 6: Final answer
    x = 8,235,866.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.