Home / 13,356,665.80-20,019,252.30-6,963,627.40

Finding the Fourth Proportional to 13,356,665.80, 20,019,252.30 and 6,963,627.40

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Solution

The fourth proportional to 13,356,665.80, 20,019,252.30 and 6,963,627.40 is: 10,437,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,665.80 : 20,019,252.30 = 6,963,627.40 : x
  2. Step 2: Convert to fraction form
    13,356,665.80/20,019,252.30 = 6,963,627.40/x
  3. Step 3: Cross multiply
    13,356,665.80x = 20,019,252.30 × 6,963,627.40
  4. Step 4: Simplify right side
    13,356,665.80x = 139,406,613,843,793.03
  5. Step 5: Solve for x
    x = 139,406,613,843,793.03/13,356,665.80
  6. Step 6: Final answer
    x = 10,437,231.56

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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.