Home / 27,759,700.65-38,309,584.25-15,369,794.34

Finding the Fourth Proportional to 27,759,700.65, 38,309,584.25 and 15,369,794.34

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Solution

The fourth proportional to 27,759,700.65, 38,309,584.25 and 15,369,794.34 is: 21,210,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759,700.65 : 38,309,584.25 = 15,369,794.34 : x
  2. Step 2: Convert to fraction form
    27,759,700.65/38,309,584.25 = 15,369,794.34/x
  3. Step 3: Cross multiply
    27,759,700.65x = 38,309,584.25 × 15,369,794.34
  4. Step 4: Simplify right side
    27,759,700.65x = 588,810,431,173,403.12
  5. Step 5: Solve for x
    x = 588,810,431,173,403.12/27,759,700.65
  6. Step 6: Final answer
    x = 21,210,979.13

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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.