Home / 27,680,924.69-38,198,935.67-15,290,751.45

Finding the Fourth Proportional to 27,680,924.69, 38,198,935.67 and 15,290,751.45

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Solution

The fourth proportional to 27,680,924.69, 38,198,935.67 and 15,290,751.45 is: 21,100,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,924.69 : 38,198,935.67 = 15,290,751.45 : x
  2. Step 2: Convert to fraction form
    27,680,924.69/38,198,935.67 = 15,290,751.45/x
  3. Step 3: Cross multiply
    27,680,924.69x = 38,198,935.67 × 15,290,751.45
  4. Step 4: Simplify right side
    27,680,924.69x = 584,090,430,908,055.38
  5. Step 5: Solve for x
    x = 584,090,430,908,055.38/27,680,924.69
  6. Step 6: Final answer
    x = 21,100,828.01

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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.