Home / 14,256,871.20-21,338,067.60-13,123,130.40

Finding the Fourth Proportional to 14,256,871.20, 21,338,067.60 and 13,123,130.40

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Solution

The fourth proportional to 14,256,871.20, 21,338,067.60 and 13,123,130.40 is: 19,641,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256,871.20 : 21,338,067.60 = 13,123,130.40 : x
  2. Step 2: Convert to fraction form
    14,256,871.20/21,338,067.60 = 13,123,130.40/x
  3. Step 3: Cross multiply
    14,256,871.20x = 21,338,067.60 × 13,123,130.40
  4. Step 4: Simplify right side
    14,256,871.20x = 280,022,243,598,815.06
  5. Step 5: Solve for x
    x = 280,022,243,598,815.06/14,256,871.20
  6. Step 6: Final answer
    x = 19,641,212.98

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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.