Home / 15,827,035.91-21,843,603.43-9,120,063.76

Finding the Fourth Proportional to 15,827,035.91, 21,843,603.43 and 9,120,063.76

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Solution

The fourth proportional to 15,827,035.91, 21,843,603.43 and 9,120,063.76 is: 12,587,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827,035.91 : 21,843,603.43 = 9,120,063.76 : x
  2. Step 2: Convert to fraction form
    15,827,035.91/21,843,603.43 = 9,120,063.76/x
  3. Step 3: Cross multiply
    15,827,035.91x = 21,843,603.43 × 9,120,063.76
  4. Step 4: Simplify right side
    15,827,035.91x = 199,215,055,952,345.53
  5. Step 5: Solve for x
    x = 199,215,055,952,345.53/15,827,035.91
  6. Step 6: Final answer
    x = 12,587,009.79

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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.