Home / 15,578,924.49-21,497,789.47-8,609,518.64

Finding the Fourth Proportional to 15,578,924.49, 21,497,789.47 and 8,609,518.64

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Solution

The fourth proportional to 15,578,924.49, 21,497,789.47 and 8,609,518.64 is: 11,880,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578,924.49 : 21,497,789.47 = 8,609,518.64 : x
  2. Step 2: Convert to fraction form
    15,578,924.49/21,497,789.47 = 8,609,518.64/x
  3. Step 3: Cross multiply
    15,578,924.49x = 21,497,789.47 × 8,609,518.64
  4. Step 4: Simplify right side
    15,578,924.49x = 185,085,619,160,760.72
  5. Step 5: Solve for x
    x = 185,085,619,160,760.72/15,578,924.49
  6. Step 6: Final answer
    x = 11,880,513.27

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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.