Home / 8,964,745.12-12,372,384.72-4,991,416.48

Finding the Fourth Proportional to 8,964,745.12, 12,372,384.72 and 4,991,416.48

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Solution

The fourth proportional to 8,964,745.12, 12,372,384.72 and 4,991,416.48 is: 6,888,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964,745.12 : 12,372,384.72 = 4,991,416.48 : x
  2. Step 2: Convert to fraction form
    8,964,745.12/12,372,384.72 = 4,991,416.48/x
  3. Step 3: Cross multiply
    8,964,745.12x = 12,372,384.72 × 4,991,416.48
  4. Step 4: Simplify right side
    8,964,745.12x = 61,755,724,988,308.20
  5. Step 5: Solve for x
    x = 61,755,724,988,308.20/8,964,745.12
  6. Step 6: Final answer
    x = 6,888,731.82

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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.