Home / 15,552,078.24-21,461,881.14-8,676,561.72

Finding the Fourth Proportional to 15,552,078.24, 21,461,881.14 and 8,676,561.72

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Solution

The fourth proportional to 15,552,078.24, 21,461,881.14 and 8,676,561.72 is: 11,973,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,078.24 : 21,461,881.14 = 8,676,561.72 : x
  2. Step 2: Convert to fraction form
    15,552,078.24/21,461,881.14 = 8,676,561.72/x
  3. Step 3: Cross multiply
    15,552,078.24x = 21,461,881.14 × 8,676,561.72
  4. Step 4: Simplify right side
    15,552,078.24x = 186,215,336,338,513.97
  5. Step 5: Solve for x
    x = 186,215,336,338,513.97/15,552,078.24
  6. Step 6: Final answer
    x = 11,973,662.52

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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.