Home / 21,850,621.60-32,789,054.40-9,069,793.60

Finding the Fourth Proportional to 21,850,621.60, 32,789,054.40 and 9,069,793.60

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Solution

The fourth proportional to 21,850,621.60, 32,789,054.40 and 9,069,793.60 is: 13,610,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850,621.60 : 32,789,054.40 = 9,069,793.60 : x
  2. Step 2: Convert to fraction form
    21,850,621.60/32,789,054.40 = 9,069,793.60/x
  3. Step 3: Cross multiply
    21,850,621.60x = 32,789,054.40 × 9,069,793.60
  4. Step 4: Simplify right side
    21,850,621.60x = 297,389,955,747,171.81
  5. Step 5: Solve for x
    x = 297,389,955,747,171.81/21,850,621.60
  6. Step 6: Final answer
    x = 13,610,137.10

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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.