Home / 29,355,657.60-43,891,768.80-21,702,907.20

Finding the Fourth Proportional to 29,355,657.60, 43,891,768.80 and 21,702,907.20

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Solution

The fourth proportional to 29,355,657.60, 43,891,768.80 and 21,702,907.20 is: 32,449,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355,657.60 : 43,891,768.80 = 21,702,907.20 : x
  2. Step 2: Convert to fraction form
    29,355,657.60/43,891,768.80 = 21,702,907.20/x
  3. Step 3: Cross multiply
    29,355,657.60x = 43,891,768.80 × 21,702,907.20
  4. Step 4: Simplify right side
    29,355,657.60x = 952,578,985,110,255.25
  5. Step 5: Solve for x
    x = 952,578,985,110,255.25/29,355,657.60
  6. Step 6: Final answer
    x = 32,449,587.68

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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.