Home / 10,109,728.10-15,133,099.35-7,275,376.10

Finding the Fourth Proportional to 10,109,728.10, 15,133,099.35 and 7,275,376.10

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Solution

The fourth proportional to 10,109,728.10, 15,133,099.35 and 7,275,376.10 is: 10,890,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,728.10 : 15,133,099.35 = 7,275,376.10 : x
  2. Step 2: Convert to fraction form
    10,109,728.10/15,133,099.35 = 7,275,376.10/x
  3. Step 3: Cross multiply
    10,109,728.10x = 15,133,099.35 × 7,275,376.10
  4. Step 4: Simplify right side
    10,109,728.10x = 110,098,989,329,915.53
  5. Step 5: Solve for x
    x = 110,098,989,329,915.53/10,109,728.10
  6. Step 6: Final answer
    x = 10,890,400.64

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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.