Home / 27,858,708.51-38,445,017.55-15,635,565.51

Finding the Fourth Proportional to 27,858,708.51, 38,445,017.55 and 15,635,565.51

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Solution

The fourth proportional to 27,858,708.51, 38,445,017.55 and 15,635,565.51 is: 21,577,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858,708.51 : 38,445,017.55 = 15,635,565.51 : x
  2. Step 2: Convert to fraction form
    27,858,708.51/38,445,017.55 = 15,635,565.51/x
  3. Step 3: Cross multiply
    27,858,708.51x = 38,445,017.55 × 15,635,565.51
  4. Step 4: Simplify right side
    27,858,708.51x = 601,109,590,436,124.62
  5. Step 5: Solve for x
    x = 601,109,590,436,124.62/27,858,708.51
  6. Step 6: Final answer
    x = 21,577,080.30

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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.