Home / 14,374,479.20-21,561,718.80-14,185,522.40

Finding the Fourth Proportional to 14,374,479.20, 21,561,718.80 and 14,185,522.40

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Solution

The fourth proportional to 14,374,479.20, 21,561,718.80 and 14,185,522.40 is: 21,278,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374,479.20 : 21,561,718.80 = 14,185,522.40 : x
  2. Step 2: Convert to fraction form
    14,374,479.20/21,561,718.80 = 14,185,522.40/x
  3. Step 3: Cross multiply
    14,374,479.20x = 21,561,718.80 × 14,185,522.40
  4. Step 4: Simplify right side
    14,374,479.20x = 305,864,245,019,901.12
  5. Step 5: Solve for x
    x = 305,864,245,019,901.12/14,374,479.20
  6. Step 6: Final answer
    x = 21,278,283.60

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Similar ratio
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1.5x scale

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.