Home / 21,657,729.60-32,486,594.40-19,222,286.40

Finding the Fourth Proportional to 21,657,729.60, 32,486,594.40 and 19,222,286.40

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Solution

The fourth proportional to 21,657,729.60, 32,486,594.40 and 19,222,286.40 is: 28,833,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,729.60 : 32,486,594.40 = 19,222,286.40 : x
  2. Step 2: Convert to fraction form
    21,657,729.60/32,486,594.40 = 19,222,286.40/x
  3. Step 3: Cross multiply
    21,657,729.60x = 32,486,594.40 × 19,222,286.40
  4. Step 4: Simplify right side
    21,657,729.60x = 624,466,621,717,436.12
  5. Step 5: Solve for x
    x = 624,466,621,717,436.12/21,657,729.60
  6. Step 6: Final answer
    x = 28,833,429.60

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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.