Home / 28,411,942.16-39,219,142.38-18,623,016.92

Finding the Fourth Proportional to 28,411,942.16, 39,219,142.38 and 18,623,016.92

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Solution

The fourth proportional to 28,411,942.16, 39,219,142.38 and 18,623,016.92 is: 25,706,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,942.16 : 39,219,142.38 = 18,623,016.92 : x
  2. Step 2: Convert to fraction form
    28,411,942.16/39,219,142.38 = 18,623,016.92/x
  3. Step 3: Cross multiply
    28,411,942.16x = 39,219,142.38 × 18,623,016.92
  4. Step 4: Simplify right side
    28,411,942.16x = 730,378,752,130,629.25
  5. Step 5: Solve for x
    x = 730,378,752,130,629.25/28,411,942.16
  6. Step 6: Final answer
    x = 25,706,752.04

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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.