Home / 22,411,297.56-30,928,415.58-12,489,071.88

Finding the Fourth Proportional to 22,411,297.56, 30,928,415.58 and 12,489,071.88

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Solution

The fourth proportional to 22,411,297.56, 30,928,415.58 and 12,489,071.88 is: 17,235,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411,297.56 : 30,928,415.58 = 12,489,071.88 : x
  2. Step 2: Convert to fraction form
    22,411,297.56/30,928,415.58 = 12,489,071.88/x
  3. Step 3: Cross multiply
    22,411,297.56x = 30,928,415.58 × 12,489,071.88
  4. Step 4: Simplify right side
    22,411,297.56x = 386,267,205,313,131.88
  5. Step 5: Solve for x
    x = 386,267,205,313,131.88/22,411,297.56
  6. Step 6: Final answer
    x = 17,235,378.91

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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.