Home / 15,406,374.36-21,260,536.96-8,530,708.80

Finding the Fourth Proportional to 15,406,374.36, 21,260,536.96 and 8,530,708.80

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Solution

The fourth proportional to 15,406,374.36, 21,260,536.96 and 8,530,708.80 is: 11,772,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,374.36 : 21,260,536.96 = 8,530,708.80 : x
  2. Step 2: Convert to fraction form
    15,406,374.36/21,260,536.96 = 8,530,708.80/x
  3. Step 3: Cross multiply
    15,406,374.36x = 21,260,536.96 × 8,530,708.80
  4. Step 4: Simplify right side
    15,406,374.36x = 181,367,449,737,397.28
  5. Step 5: Solve for x
    x = 181,367,449,737,397.28/15,406,374.36
  6. Step 6: Final answer
    x = 11,772,234.37

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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.