Home / 13,395,950.42-20,068,571.40-7,914,653.28

Finding the Fourth Proportional to 13,395,950.42, 20,068,571.40 and 7,914,653.28

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Solution

The fourth proportional to 13,395,950.42, 20,068,571.40 and 7,914,653.28 is: 11,857,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,950.42 : 20,068,571.40 = 7,914,653.28 : x
  2. Step 2: Convert to fraction form
    13,395,950.42/20,068,571.40 = 7,914,653.28/x
  3. Step 3: Cross multiply
    13,395,950.42x = 20,068,571.40 × 7,914,653.28
  4. Step 4: Simplify right side
    13,395,950.42x = 158,835,784,455,924.19
  5. Step 5: Solve for x
    x = 158,835,784,455,924.19/13,395,950.42
  6. Step 6: Final answer
    x = 11,857,000.02

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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.