Home / 8,910,779.12-12,296,887.32-4,836,398.64

Finding the Fourth Proportional to 8,910,779.12, 12,296,887.32 and 4,836,398.64

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Solution

The fourth proportional to 8,910,779.12, 12,296,887.32 and 4,836,398.64 is: 6,674,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,779.12 : 12,296,887.32 = 4,836,398.64 : x
  2. Step 2: Convert to fraction form
    8,910,779.12/12,296,887.32 = 4,836,398.64/x
  3. Step 3: Cross multiply
    8,910,779.12x = 12,296,887.32 × 4,836,398.64
  4. Step 4: Simplify right side
    8,910,779.12x = 59,472,649,110,681.24
  5. Step 5: Solve for x
    x = 59,472,649,110,681.24/8,910,779.12
  6. Step 6: Final answer
    x = 6,674,236.71

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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.