Home / 15,718,045.83-21,681,709.58-10,215,085.86

Finding the Fourth Proportional to 15,718,045.83, 21,681,709.58 and 10,215,085.86

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Solution

The fourth proportional to 15,718,045.83, 21,681,709.58 and 10,215,085.86 is: 14,090,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,045.83 : 21,681,709.58 = 10,215,085.86 : x
  2. Step 2: Convert to fraction form
    15,718,045.83/21,681,709.58 = 10,215,085.86/x
  3. Step 3: Cross multiply
    15,718,045.83x = 21,681,709.58 × 10,215,085.86
  4. Step 4: Simplify right side
    15,718,045.83x = 221,480,524,900,209.09
  5. Step 5: Solve for x
    x = 221,480,524,900,209.09/15,718,045.83
  6. Step 6: Final answer
    x = 14,090,843.56

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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.