Home / 37,922,867.12-52,333,522.80-21,406,468.16

Finding the Fourth Proportional to 37,922,867.12, 52,333,522.80 and 21,406,468.16

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Solution

The fourth proportional to 37,922,867.12, 52,333,522.80 and 21,406,468.16 is: 29,540,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,922,867.12 : 52,333,522.80 = 21,406,468.16 : x
  2. Step 2: Convert to fraction form
    37,922,867.12/52,333,522.80 = 21,406,468.16/x
  3. Step 3: Cross multiply
    37,922,867.12x = 52,333,522.80 × 21,406,468.16
  4. Step 4: Simplify right side
    37,922,867.12x = 1,120,275,889,518,834
  5. Step 5: Solve for x
    x = 1,120,275,889,518,834/37,922,867.12
  6. Step 6: Final answer
    x = 29,540,906.97

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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.