Home / 27,759,942.51-38,309,917.83-15,370,036.20

Finding the Fourth Proportional to 27,759,942.51, 38,309,917.83 and 15,370,036.20

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Solution

The fourth proportional to 27,759,942.51, 38,309,917.83 and 15,370,036.20 is: 21,211,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759,942.51 : 38,309,917.83 = 15,370,036.20 : x
  2. Step 2: Convert to fraction form
    27,759,942.51/38,309,917.83 = 15,370,036.20/x
  3. Step 3: Cross multiply
    27,759,942.51x = 38,309,917.83 × 15,370,036.20
  4. Step 4: Simplify right side
    27,759,942.51x = 588,824,823,866,125.38
  5. Step 5: Solve for x
    x = 588,824,823,866,125.38/27,759,942.51
  6. Step 6: Final answer
    x = 21,211,312.80

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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.