Home / 10,328,470.40-15,492,705.60-9,194,729.60

Finding the Fourth Proportional to 10,328,470.40, 15,492,705.60 and 9,194,729.60

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Solution

The fourth proportional to 10,328,470.40, 15,492,705.60 and 9,194,729.60 is: 13,792,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,470.40 : 15,492,705.60 = 9,194,729.60 : x
  2. Step 2: Convert to fraction form
    10,328,470.40/15,492,705.60 = 9,194,729.60/x
  3. Step 3: Cross multiply
    10,328,470.40x = 15,492,705.60 × 9,194,729.60
  4. Step 4: Simplify right side
    10,328,470.40x = 142,451,238,764,405.75
  5. Step 5: Solve for x
    x = 142,451,238,764,405.75/10,328,470.40
  6. Step 6: Final answer
    x = 13,792,094.40

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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.