Home / 15,552,135.36-21,461,960.16-8,676,618.48

Finding the Fourth Proportional to 15,552,135.36, 21,461,960.16 and 8,676,618.48

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Solution

The fourth proportional to 15,552,135.36, 21,461,960.16 and 8,676,618.48 is: 11,973,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,135.36 : 21,461,960.16 = 8,676,618.48 : x
  2. Step 2: Convert to fraction form
    15,552,135.36/21,461,960.16 = 8,676,618.48/x
  3. Step 3: Cross multiply
    15,552,135.36x = 21,461,960.16 × 8,676,618.48
  4. Step 4: Simplify right side
    15,552,135.36x = 186,217,240,141,279.78
  5. Step 5: Solve for x
    x = 186,217,240,141,279.78/15,552,135.36
  6. Step 6: Final answer
    x = 11,973,740.96

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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.