Home / 13,637,481.42-18,820,164.60-7,756,964.40

Finding the Fourth Proportional to 13,637,481.42, 18,820,164.60 and 7,756,964.40

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Solution

The fourth proportional to 13,637,481.42, 18,820,164.60 and 7,756,964.40 is: 10,704,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,481.42 : 18,820,164.60 = 7,756,964.40 : x
  2. Step 2: Convert to fraction form
    13,637,481.42/18,820,164.60 = 7,756,964.40/x
  3. Step 3: Cross multiply
    13,637,481.42x = 18,820,164.60 × 7,756,964.40
  4. Step 4: Simplify right side
    13,637,481.42x = 145,987,346,804,340.25
  5. Step 5: Solve for x
    x = 145,987,346,804,340.25/13,637,481.42
  6. Step 6: Final answer
    x = 10,704,861.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.