Home / 21,132,955.32-31,677,308.58-8,843,959.57

Finding the Fourth Proportional to 21,132,955.32, 31,677,308.58 and 8,843,959.57

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Solution

The fourth proportional to 21,132,955.32, 31,677,308.58 and 8,843,959.57 is: 13,256,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,132,955.32 : 31,677,308.58 = 8,843,959.57 : x
  2. Step 2: Convert to fraction form
    21,132,955.32/31,677,308.58 = 8,843,959.57/x
  3. Step 3: Cross multiply
    21,132,955.32x = 31,677,308.58 × 8,843,959.57
  4. Step 4: Simplify right side
    21,132,955.32x = 280,152,836,514,947.19
  5. Step 5: Solve for x
    x = 280,152,836,514,947.19/21,132,955.32
  6. Step 6: Final answer
    x = 13,256,680.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.