Home / 21,303,914.80-31,971,618.60-14,113,058.80

Finding the Fourth Proportional to 21,303,914.80, 31,971,618.60 and 14,113,058.80

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Solution

The fourth proportional to 21,303,914.80, 31,971,618.60 and 14,113,058.80 is: 21,180,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,914.80 : 31,971,618.60 = 14,113,058.80 : x
  2. Step 2: Convert to fraction form
    21,303,914.80/31,971,618.60 = 14,113,058.80/x
  3. Step 3: Cross multiply
    21,303,914.80x = 31,971,618.60 × 14,113,058.80
  4. Step 4: Simplify right side
    21,303,914.80x = 451,217,333,232,973.75
  5. Step 5: Solve for x
    x = 451,217,333,232,973.75/21,303,914.80
  6. Step 6: Final answer
    x = 21,180,019.61

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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.