Home / 19,259,605.56-28,893,187.38-7,129,175.16

Finding the Fourth Proportional to 19,259,605.56, 28,893,187.38 and 7,129,175.16

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Solution

The fourth proportional to 19,259,605.56, 28,893,187.38 and 7,129,175.16 is: 10,695,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259,605.56 : 28,893,187.38 = 7,129,175.16 : x
  2. Step 2: Convert to fraction form
    19,259,605.56/28,893,187.38 = 7,129,175.16/x
  3. Step 3: Cross multiply
    19,259,605.56x = 28,893,187.38 × 7,129,175.16
  4. Step 4: Simplify right side
    19,259,605.56x = 205,984,593,762,721.47
  5. Step 5: Solve for x
    x = 205,984,593,762,721.47/19,259,605.56
  6. Step 6: Final answer
    x = 10,695,161.60

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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.