Home / 18,389,222.62-25,376,189.32-10,129,107.08

Finding the Fourth Proportional to 18,389,222.62, 25,376,189.32 and 10,129,107.08

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Solution

The fourth proportional to 18,389,222.62, 25,376,189.32 and 10,129,107.08 is: 13,977,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,222.62 : 25,376,189.32 = 10,129,107.08 : x
  2. Step 2: Convert to fraction form
    18,389,222.62/25,376,189.32 = 10,129,107.08/x
  3. Step 3: Cross multiply
    18,389,222.62x = 25,376,189.32 × 10,129,107.08
  4. Step 4: Simplify right side
    18,389,222.62x = 257,038,138,904,632.38
  5. Step 5: Solve for x
    x = 257,038,138,904,632.38/18,389,222.62
  6. Step 6: Final answer
    x = 13,977,651.16

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1.5x scale

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.