Home / 13,970,686.76-20,956,035.81-6,285,356.54

Finding the Fourth Proportional to 13,970,686.76, 20,956,035.81 and 6,285,356.54

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Solution

The fourth proportional to 13,970,686.76, 20,956,035.81 and 6,285,356.54 is: 9,428,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970,686.76 : 20,956,035.81 = 6,285,356.54 : x
  2. Step 2: Convert to fraction form
    13,970,686.76/20,956,035.81 = 6,285,356.54/x
  3. Step 3: Cross multiply
    13,970,686.76x = 20,956,035.81 × 6,285,356.54
  4. Step 4: Simplify right side
    13,970,686.76x = 131,716,156,730,857.69
  5. Step 5: Solve for x
    x = 131,716,156,730,857.69/13,970,686.76
  6. Step 6: Final answer
    x = 9,428,037.36

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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.