Home / 13,832,816.70-20,749,225.05-6,642,616.80

Finding the Fourth Proportional to 13,832,816.70, 20,749,225.05 and 6,642,616.80

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Solution

The fourth proportional to 13,832,816.70, 20,749,225.05 and 6,642,616.80 is: 9,963,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,816.70 : 20,749,225.05 = 6,642,616.80 : x
  2. Step 2: Convert to fraction form
    13,832,816.70/20,749,225.05 = 6,642,616.80/x
  3. Step 3: Cross multiply
    13,832,816.70x = 20,749,225.05 × 6,642,616.80
  4. Step 4: Simplify right side
    13,832,816.70x = 137,829,150,904,110.84
  5. Step 5: Solve for x
    x = 137,829,150,904,110.84/13,832,816.70
  6. Step 6: Final answer
    x = 9,963,925.20

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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.