Home / 19,900,940.42-29,851,577.71-5,525,129.21

Finding the Fourth Proportional to 19,900,940.42, 29,851,577.71 and 5,525,129.21

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Solution

The fourth proportional to 19,900,940.42, 29,851,577.71 and 5,525,129.21 is: 8,287,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900,940.42 : 29,851,577.71 = 5,525,129.21 : x
  2. Step 2: Convert to fraction form
    19,900,940.42/29,851,577.71 = 5,525,129.21/x
  3. Step 3: Cross multiply
    19,900,940.42x = 29,851,577.71 × 5,525,129.21
  4. Step 4: Simplify right side
    19,900,940.42x = 164,933,823,807,035.19
  5. Step 5: Solve for x
    x = 164,933,823,807,035.19/19,900,940.42
  6. Step 6: Final answer
    x = 8,287,740.19

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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.