Home / 19,721,290.21-29,581,935.86-5,344,357.48

Finding the Fourth Proportional to 19,721,290.21, 29,581,935.86 and 5,344,357.48

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Solution

The fourth proportional to 19,721,290.21, 29,581,935.86 and 5,344,357.48 is: 8,016,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,290.21 : 29,581,935.86 = 5,344,357.48 : x
  2. Step 2: Convert to fraction form
    19,721,290.21/29,581,935.86 = 5,344,357.48/x
  3. Step 3: Cross multiply
    19,721,290.21x = 29,581,935.86 × 5,344,357.48
  4. Step 4: Simplify right side
    19,721,290.21x = 158,096,440,159,549.47
  5. Step 5: Solve for x
    x = 158,096,440,159,549.47/19,721,290.21
  6. Step 6: Final answer
    x = 8,016,536.37

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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.