Home / 7,738,276.36-11,607,672.72-3,478,457.20

Finding the Fourth Proportional to 7,738,276.36, 11,607,672.72 and 3,478,457.20

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Solution

The fourth proportional to 7,738,276.36, 11,607,672.72 and 3,478,457.20 is: 5,217,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,276.36 : 11,607,672.72 = 3,478,457.20 : x
  2. Step 2: Convert to fraction form
    7,738,276.36/11,607,672.72 = 3,478,457.20/x
  3. Step 3: Cross multiply
    7,738,276.36x = 11,607,672.72 × 3,478,457.20
  4. Step 4: Simplify right side
    7,738,276.36x = 40,376,792,690,089.22
  5. Step 5: Solve for x
    x = 40,376,792,690,089.22/7,738,276.36
  6. Step 6: Final answer
    x = 5,217,801.85

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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.