Home / 13,802,720.40-20,704,080.60-9,199,112.74

Finding the Fourth Proportional to 13,802,720.40, 20,704,080.60 and 9,199,112.74

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Solution

The fourth proportional to 13,802,720.40, 20,704,080.60 and 9,199,112.74 is: 13,798,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,720.40 : 20,704,080.60 = 9,199,112.74 : x
  2. Step 2: Convert to fraction form
    13,802,720.40/20,704,080.60 = 9,199,112.74/x
  3. Step 3: Cross multiply
    13,802,720.40x = 20,704,080.60 × 9,199,112.74
  4. Step 4: Simplify right side
    13,802,720.40x = 190,459,171,565,686.66
  5. Step 5: Solve for x
    x = 190,459,171,565,686.66/13,802,720.40
  6. Step 6: Final answer
    x = 13,798,669.11

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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.