Home / 18,104,874.87-24,985,200.83-9,845,420.21

Finding the Fourth Proportional to 18,104,874.87, 24,985,200.83 and 9,845,420.21

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Solution

The fourth proportional to 18,104,874.87, 24,985,200.83 and 9,845,420.21 is: 13,586,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,874.87 : 24,985,200.83 = 9,845,420.21 : x
  2. Step 2: Convert to fraction form
    18,104,874.87/24,985,200.83 = 9,845,420.21/x
  3. Step 3: Cross multiply
    18,104,874.87x = 24,985,200.83 × 9,845,420.21
  4. Step 4: Simplify right side
    18,104,874.87x = 245,989,801,028,437.66
  5. Step 5: Solve for x
    x = 245,989,801,028,437.66/18,104,874.87
  6. Step 6: Final answer
    x = 13,586,937.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.