Home / 14,290,991.22-19,721,747.24-7,764,729.65

Finding the Fourth Proportional to 14,290,991.22, 19,721,747.24 and 7,764,729.65

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Solution

The fourth proportional to 14,290,991.22, 19,721,747.24 and 7,764,729.65 is: 10,715,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290,991.22 : 19,721,747.24 = 7,764,729.65 : x
  2. Step 2: Convert to fraction form
    14,290,991.22/19,721,747.24 = 7,764,729.65/x
  3. Step 3: Cross multiply
    14,290,991.22x = 19,721,747.24 × 7,764,729.65
  4. Step 4: Simplify right side
    14,290,991.22x = 153,134,035,406,801.28
  5. Step 5: Solve for x
    x = 153,134,035,406,801.28/14,290,991.22
  6. Step 6: Final answer
    x = 10,715,424.36

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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.