Home / 15,971,681.66-22,015,099.25-12,480,954.46

Finding the Fourth Proportional to 15,971,681.66, 22,015,099.25 and 12,480,954.46

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Solution

The fourth proportional to 15,971,681.66, 22,015,099.25 and 12,480,954.46 is: 17,203,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971,681.66 : 22,015,099.25 = 12,480,954.46 : x
  2. Step 2: Convert to fraction form
    15,971,681.66/22,015,099.25 = 12,480,954.46/x
  3. Step 3: Cross multiply
    15,971,681.66x = 22,015,099.25 × 12,480,954.46
  4. Step 4: Simplify right side
    15,971,681.66x = 274,769,451,100,991.22
  5. Step 5: Solve for x
    x = 274,769,451,100,991.22/15,971,681.66
  6. Step 6: Final answer
    x = 17,203,539.18

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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.