Home / 13,406,675.20-20,110,012.80-5,321,579.20

Finding the Fourth Proportional to 13,406,675.20, 20,110,012.80 and 5,321,579.20

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Solution

The fourth proportional to 13,406,675.20, 20,110,012.80 and 5,321,579.20 is: 7,982,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,675.20 : 20,110,012.80 = 5,321,579.20 : x
  2. Step 2: Convert to fraction form
    13,406,675.20/20,110,012.80 = 5,321,579.20/x
  3. Step 3: Cross multiply
    13,406,675.20x = 20,110,012.80 × 5,321,579.20
  4. Step 4: Simplify right side
    13,406,675.20x = 107,017,025,828,213.77
  5. Step 5: Solve for x
    x = 107,017,025,828,213.77/13,406,675.20
  6. Step 6: Final answer
    x = 7,982,368.80

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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.