Home / 21,507,984.60-32,261,976.90-19,156,522.20

Finding the Fourth Proportional to 21,507,984.60, 32,261,976.90 and 19,156,522.20

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Solution

The fourth proportional to 21,507,984.60, 32,261,976.90 and 19,156,522.20 is: 28,734,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,984.60 : 32,261,976.90 = 19,156,522.20 : x
  2. Step 2: Convert to fraction form
    21,507,984.60/32,261,976.90 = 19,156,522.20/x
  3. Step 3: Cross multiply
    21,507,984.60x = 32,261,976.90 × 19,156,522.20
  4. Step 4: Simplify right side
    21,507,984.60x = 618,027,276,700,737.12
  5. Step 5: Solve for x
    x = 618,027,276,700,737.12/21,507,984.60
  6. Step 6: Final answer
    x = 28,734,783.30

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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.