Home / 12,165,788.16-16,789,317.12-6,733,278.72

Finding the Fourth Proportional to 12,165,788.16, 16,789,317.12 and 6,733,278.72

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Solution

The fourth proportional to 12,165,788.16, 16,789,317.12 and 6,733,278.72 is: 9,292,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,788.16 : 16,789,317.12 = 6,733,278.72 : x
  2. Step 2: Convert to fraction form
    12,165,788.16/16,789,317.12 = 6,733,278.72/x
  3. Step 3: Cross multiply
    12,165,788.16x = 16,789,317.12 × 6,733,278.72
  4. Step 4: Simplify right side
    12,165,788.16x = 113,047,151,687,427.69
  5. Step 5: Solve for x
    x = 113,047,151,687,427.69/12,165,788.16
  6. Step 6: Final answer
    x = 9,292,217.67

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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.