Home / 8,910,945.20-12,296,775.40-4,836,476.72

Finding the Fourth Proportional to 8,910,945.20, 12,296,775.40 and 4,836,476.72

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Solution

The fourth proportional to 8,910,945.20, 12,296,775.40 and 4,836,476.72 is: 6,674,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,945.20 : 12,296,775.40 = 4,836,476.72 : x
  2. Step 2: Convert to fraction form
    8,910,945.20/12,296,775.40 = 4,836,476.72/x
  3. Step 3: Cross multiply
    8,910,945.20x = 12,296,775.40 × 4,836,476.72
  4. Step 4: Simplify right side
    8,910,945.20x = 59,473,067,953,168.69
  5. Step 5: Solve for x
    x = 59,473,067,953,168.69/8,910,945.20
  6. Step 6: Final answer
    x = 6,674,159.32

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1.5x scale

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.