Home / 15,373,176.30-21,214,988.64-8,497,656.54

Finding the Fourth Proportional to 15,373,176.30, 21,214,988.64 and 8,497,656.54

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Solution

The fourth proportional to 15,373,176.30, 21,214,988.64 and 8,497,656.54 is: 11,726,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,176.30 : 21,214,988.64 = 8,497,656.54 : x
  2. Step 2: Convert to fraction form
    15,373,176.30/21,214,988.64 = 8,497,656.54/x
  3. Step 3: Cross multiply
    15,373,176.30x = 21,214,988.64 × 8,497,656.54
  4. Step 4: Simplify right side
    15,373,176.30x = 180,277,686,962,721.69
  5. Step 5: Solve for x
    x = 180,277,686,962,721.69/15,373,176.30
  6. Step 6: Final answer
    x = 11,726,768.98

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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.