Home / 15,739,512.78-21,720,601.71-8,864,111.82

Finding the Fourth Proportional to 15,739,512.78, 21,720,601.71 and 8,864,111.82

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Solution

The fourth proportional to 15,739,512.78, 21,720,601.71 and 8,864,111.82 is: 12,232,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,512.78 : 21,720,601.71 = 8,864,111.82 : x
  2. Step 2: Convert to fraction form
    15,739,512.78/21,720,601.71 = 8,864,111.82/x
  3. Step 3: Cross multiply
    15,739,512.78x = 21,720,601.71 × 8,864,111.82
  4. Step 4: Simplify right side
    15,739,512.78x = 192,533,842,355,123.22
  5. Step 5: Solve for x
    x = 192,533,842,355,123.22/15,739,512.78
  6. Step 6: Final answer
    x = 12,232,516.03

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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.