Home / 15,718,044.33-21,681,707.50-10,215,084.35

Finding the Fourth Proportional to 15,718,044.33, 21,681,707.50 and 10,215,084.35

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Solution

The fourth proportional to 15,718,044.33, 21,681,707.50 and 10,215,084.35 is: 14,090,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,044.33 : 21,681,707.50 = 10,215,084.35 : x
  2. Step 2: Convert to fraction form
    15,718,044.33/21,681,707.50 = 10,215,084.35/x
  3. Step 3: Cross multiply
    15,718,044.33x = 21,681,707.50 × 10,215,084.35
  4. Step 4: Simplify right side
    15,718,044.33x = 221,480,471,031,500.72
  5. Step 5: Solve for x
    x = 221,480,471,031,500.72/15,718,044.33
  6. Step 6: Final answer
    x = 14,090,841.48

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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.