Home / 13,376,014.90-20,064,022.35-9,969,781.30

Finding the Fourth Proportional to 13,376,014.90, 20,064,022.35 and 9,969,781.30

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Solution

The fourth proportional to 13,376,014.90, 20,064,022.35 and 9,969,781.30 is: 14,954,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,014.90 : 20,064,022.35 = 9,969,781.30 : x
  2. Step 2: Convert to fraction form
    13,376,014.90/20,064,022.35 = 9,969,781.30/x
  3. Step 3: Cross multiply
    13,376,014.90x = 20,064,022.35 × 9,969,781.30
  4. Step 4: Simplify right side
    13,376,014.90x = 200,033,914,827,812.09
  5. Step 5: Solve for x
    x = 200,033,914,827,812.09/13,376,014.90
  6. Step 6: Final answer
    x = 14,954,671.95

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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.