Home / 21,508,930.60-32,263,395.90-19,157,468.20

Finding the Fourth Proportional to 21,508,930.60, 32,263,395.90 and 19,157,468.20

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Solution

The fourth proportional to 21,508,930.60, 32,263,395.90 and 19,157,468.20 is: 28,736,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,930.60 : 32,263,395.90 = 19,157,468.20 : x
  2. Step 2: Convert to fraction form
    21,508,930.60/32,263,395.90 = 19,157,468.20/x
  3. Step 3: Cross multiply
    21,508,930.60x = 32,263,395.90 × 19,157,468.20
  4. Step 4: Simplify right side
    21,508,930.60x = 618,084,980,978,260.38
  5. Step 5: Solve for x
    x = 618,084,980,978,260.38/21,508,930.60
  6. Step 6: Final answer
    x = 28,736,202.30

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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.