Home / 15,718,027.48-21,681,684.23-10,215,067.50

Finding the Fourth Proportional to 15,718,027.48, 21,681,684.23 and 10,215,067.50

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Solution

The fourth proportional to 15,718,027.48, 21,681,684.23 and 10,215,067.50 is: 14,090,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,027.48 : 21,681,684.23 = 10,215,067.50 : x
  2. Step 2: Convert to fraction form
    15,718,027.48/21,681,684.23 = 10,215,067.50/x
  3. Step 3: Cross multiply
    15,718,027.48x = 21,681,684.23 × 10,215,067.50
  4. Step 4: Simplify right side
    15,718,027.48x = 221,479,867,872,060.19
  5. Step 5: Solve for x
    x = 221,479,867,872,060.19/15,718,027.48
  6. Step 6: Final answer
    x = 14,090,818.21

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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.