Home / 7,381,409.60-11,072,114.40-6,743,680.40

Finding the Fourth Proportional to 7,381,409.60, 11,072,114.40 and 6,743,680.40

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Solution

The fourth proportional to 7,381,409.60, 11,072,114.40 and 6,743,680.40 is: 10,115,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,409.60 : 11,072,114.40 = 6,743,680.40 : x
  2. Step 2: Convert to fraction form
    7,381,409.60/11,072,114.40 = 6,743,680.40/x
  3. Step 3: Cross multiply
    7,381,409.60x = 11,072,114.40 × 6,743,680.40
  4. Step 4: Simplify right side
    7,381,409.60x = 74,666,800,865,837.77
  5. Step 5: Solve for x
    x = 74,666,800,865,837.77/7,381,409.60
  6. Step 6: Final answer
    x = 10,115,520.60

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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.