Home / 11,869,359-16,380,406.04-6,642,322.96

Finding the Fourth Proportional to 11,869,359, 16,380,406.04 and 6,642,322.96

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Solution

The fourth proportional to 11,869,359, 16,380,406.04 and 6,642,322.96 is: 9,166,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,359 : 16,380,406.04 = 6,642,322.96 : x
  2. Step 2: Convert to fraction form
    11,869,359/16,380,406.04 = 6,642,322.96/x
  3. Step 3: Cross multiply
    11,869,359x = 16,380,406.04 × 6,642,322.96
  4. Step 4: Simplify right side
    11,869,359x = 108,803,947,133,614.67
  5. Step 5: Solve for x
    x = 108,803,947,133,614.67/11,869,359
  6. Step 6: Final answer
    x = 9,166,792.17

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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.