Home / 14,290,236.48-19,720,420.64-7,763,919.60

Finding the Fourth Proportional to 14,290,236.48, 19,720,420.64 and 7,763,919.60

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Solution

The fourth proportional to 14,290,236.48, 19,720,420.64 and 7,763,919.60 is: 10,714,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290,236.48 : 19,720,420.64 = 7,763,919.60 : x
  2. Step 2: Convert to fraction form
    14,290,236.48/19,720,420.64 = 7,763,919.60/x
  3. Step 3: Cross multiply
    14,290,236.48x = 19,720,420.64 × 7,763,919.60
  4. Step 4: Simplify right side
    14,290,236.48x = 153,107,760,327,140.53
  5. Step 5: Solve for x
    x = 153,107,760,327,140.53/14,290,236.48
  6. Step 6: Final answer
    x = 10,714,151.62

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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.