Home / 18,403,987.14-25,397,603.01-10,673,612.82

Finding the Fourth Proportional to 18,403,987.14, 25,397,603.01 and 10,673,612.82

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Solution

The fourth proportional to 18,403,987.14, 25,397,603.01 and 10,673,612.82 is: 14,729,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,987.14 : 25,397,603.01 = 10,673,612.82 : x
  2. Step 2: Convert to fraction form
    18,403,987.14/25,397,603.01 = 10,673,612.82/x
  3. Step 3: Cross multiply
    18,403,987.14x = 25,397,603.01 × 10,673,612.82
  4. Step 4: Simplify right side
    18,403,987.14x = 271,084,181,084,806.62
  5. Step 5: Solve for x
    x = 271,084,181,084,806.62/18,403,987.14
  6. Step 6: Final answer
    x = 14,729,644.13

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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.