Home / 10,268,699.28-14,170,808.43-5,622,778.15

Finding the Fourth Proportional to 10,268,699.28, 14,170,808.43 and 5,622,778.15

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Solution

The fourth proportional to 10,268,699.28, 14,170,808.43 and 5,622,778.15 is: 7,759,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268,699.28 : 14,170,808.43 = 5,622,778.15 : x
  2. Step 2: Convert to fraction form
    10,268,699.28/14,170,808.43 = 5,622,778.15/x
  3. Step 3: Cross multiply
    10,268,699.28x = 14,170,808.43 × 5,622,778.15
  4. Step 4: Simplify right side
    10,268,699.28x = 79,679,312,008,039.81
  5. Step 5: Solve for x
    x = 79,679,312,008,039.81/10,268,699.28
  6. Step 6: Final answer
    x = 7,759,435.72

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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.