Home / 21,552,366.80-29,746,119.24-12,851,099.60

Finding the Fourth Proportional to 21,552,366.80, 29,746,119.24 and 12,851,099.60

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Solution

The fourth proportional to 21,552,366.80, 29,746,119.24 and 12,851,099.60 is: 17,736,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,366.80 : 29,746,119.24 = 12,851,099.60 : x
  2. Step 2: Convert to fraction form
    21,552,366.80/29,746,119.24 = 12,851,099.60/x
  3. Step 3: Cross multiply
    21,552,366.80x = 29,746,119.24 × 12,851,099.60
  4. Step 4: Simplify right side
    21,552,366.80x = 382,270,341,066,716.25
  5. Step 5: Solve for x
    x = 382,270,341,066,716.25/21,552,366.80
  6. Step 6: Final answer
    x = 17,736,814.92

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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.