Home / 27,975,071.91-38,606,790.68-15,585,158.32

Finding the Fourth Proportional to 27,975,071.91, 38,606,790.68 and 15,585,158.32

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Solution

The fourth proportional to 27,975,071.91, 38,606,790.68 and 15,585,158.32 is: 21,508,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975,071.91 : 38,606,790.68 = 15,585,158.32 : x
  2. Step 2: Convert to fraction form
    27,975,071.91/38,606,790.68 = 15,585,158.32/x
  3. Step 3: Cross multiply
    27,975,071.91x = 38,606,790.68 × 15,585,158.32
  4. Step 4: Simplify right side
    27,975,071.91x = 601,692,944,974,900.50
  5. Step 5: Solve for x
    x = 601,692,944,974,900.50/27,975,071.91
  6. Step 6: Final answer
    x = 21,508,182.25

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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.