Home / 21,911,116.60-30,231,908.40-14,166,840.25

Finding the Fourth Proportional to 21,911,116.60, 30,231,908.40 and 14,166,840.25

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Solution

The fourth proportional to 21,911,116.60, 30,231,908.40 and 14,166,840.25 is: 19,546,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,116.60 : 30,231,908.40 = 14,166,840.25 : x
  2. Step 2: Convert to fraction form
    21,911,116.60/30,231,908.40 = 14,166,840.25/x
  3. Step 3: Cross multiply
    21,911,116.60x = 30,231,908.40 × 14,166,840.25
  4. Step 4: Simplify right side
    21,911,116.60x = 428,290,616,755,433.06
  5. Step 5: Solve for x
    x = 428,290,616,755,433.06/21,911,116.60
  6. Step 6: Final answer
    x = 19,546,727.11

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1.5x scale

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.