Home / 9,777,704.10-13,495,712.03-6,681,480.72

Finding the Fourth Proportional to 9,777,704.10, 13,495,712.03 and 6,681,480.72

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Solution

The fourth proportional to 9,777,704.10, 13,495,712.03 and 6,681,480.72 is: 9,222,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,704.10 : 13,495,712.03 = 6,681,480.72 : x
  2. Step 2: Convert to fraction form
    9,777,704.10/13,495,712.03 = 6,681,480.72/x
  3. Step 3: Cross multiply
    9,777,704.10x = 13,495,712.03 × 6,681,480.72
  4. Step 4: Simplify right side
    9,777,704.10x = 90,171,339,731,117.05
  5. Step 5: Solve for x
    x = 90,171,339,731,117.05/9,777,704.10
  6. Step 6: Final answer
    x = 9,222,138.33

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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.