Home / 12,134,770.38-16,745,883.58-6,628,148.76

Finding the Fourth Proportional to 12,134,770.38, 16,745,883.58 and 6,628,148.76

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Solution

The fourth proportional to 12,134,770.38, 16,745,883.58 and 6,628,148.76 is: 9,146,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,770.38 : 16,745,883.58 = 6,628,148.76 : x
  2. Step 2: Convert to fraction form
    12,134,770.38/16,745,883.58 = 6,628,148.76/x
  3. Step 3: Cross multiply
    12,134,770.38x = 16,745,883.58 × 6,628,148.76
  4. Step 4: Simplify right side
    12,134,770.38x = 110,994,207,485,881.36
  5. Step 5: Solve for x
    x = 110,994,207,485,881.36/12,134,770.38
  6. Step 6: Final answer
    x = 9,146,790.92

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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.