Home / 13,883,617.68-20,838,860.10-6,700,208.28

Finding the Fourth Proportional to 13,883,617.68, 20,838,860.10 and 6,700,208.28

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Solution

The fourth proportional to 13,883,617.68, 20,838,860.10 and 6,700,208.28 is: 10,056,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883,617.68 : 20,838,860.10 = 6,700,208.28 : x
  2. Step 2: Convert to fraction form
    13,883,617.68/20,838,860.10 = 6,700,208.28/x
  3. Step 3: Cross multiply
    13,883,617.68x = 20,838,860.10 × 6,700,208.28
  4. Step 4: Simplify right side
    13,883,617.68x = 139,624,702,987,781.64
  5. Step 5: Solve for x
    x = 139,624,702,987,781.64/13,883,617.68
  6. Step 6: Final answer
    x = 10,056,795.44

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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.