Home / 10,022,130.72-15,028,297.20-6,990,948.72

Finding the Fourth Proportional to 10,022,130.72, 15,028,297.20 and 6,990,948.72

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Solution

The fourth proportional to 10,022,130.72, 15,028,297.20 and 6,990,948.72 is: 10,483,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,130.72 : 15,028,297.20 = 6,990,948.72 : x
  2. Step 2: Convert to fraction form
    10,022,130.72/15,028,297.20 = 6,990,948.72/x
  3. Step 3: Cross multiply
    10,022,130.72x = 15,028,297.20 × 6,990,948.72
  4. Step 4: Simplify right side
    10,022,130.72x = 105,062,055,074,119.58
  5. Step 5: Solve for x
    x = 105,062,055,074,119.58/10,022,130.72
  6. Step 6: Final answer
    x = 10,483,005.86

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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.