Home / 12,780,086.40-19,170,129.60-6,061,622.40

Finding the Fourth Proportional to 12,780,086.40, 19,170,129.60 and 6,061,622.40

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Solution

The fourth proportional to 12,780,086.40, 19,170,129.60 and 6,061,622.40 is: 9,092,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,086.40 : 19,170,129.60 = 6,061,622.40 : x
  2. Step 2: Convert to fraction form
    12,780,086.40/19,170,129.60 = 6,061,622.40/x
  3. Step 3: Cross multiply
    12,780,086.40x = 19,170,129.60 × 6,061,622.40
  4. Step 4: Simplify right side
    12,780,086.40x = 116,202,086,994,263.06
  5. Step 5: Solve for x
    x = 116,202,086,994,263.06/12,780,086.40
  6. Step 6: Final answer
    x = 9,092,433.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.