Home / 9,812,720.40-14,719,080.60-7,261,803.60

Finding the Fourth Proportional to 9,812,720.40, 14,719,080.60 and 7,261,803.60

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Solution

The fourth proportional to 9,812,720.40, 14,719,080.60 and 7,261,803.60 is: 10,892,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812,720.40 : 14,719,080.60 = 7,261,803.60 : x
  2. Step 2: Convert to fraction form
    9,812,720.40/14,719,080.60 = 7,261,803.60/x
  3. Step 3: Cross multiply
    9,812,720.40x = 14,719,080.60 × 7,261,803.60
  4. Step 4: Simplify right side
    9,812,720.40x = 106,887,072,489,770.16
  5. Step 5: Solve for x
    x = 106,887,072,489,770.16/9,812,720.40
  6. Step 6: Final answer
    x = 10,892,705.40

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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.