Home / 20,736,190.10-31,104,285.16-18,845,066.90

Finding the Fourth Proportional to 20,736,190.10, 31,104,285.16 and 18,845,066.90

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Solution

The fourth proportional to 20,736,190.10, 31,104,285.16 and 18,845,066.90 is: 28,267,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,190.10 : 31,104,285.16 = 18,845,066.90 : x
  2. Step 2: Convert to fraction form
    20,736,190.10/31,104,285.16 = 18,845,066.90/x
  3. Step 3: Cross multiply
    20,736,190.10x = 31,104,285.16 × 18,845,066.90
  4. Step 4: Simplify right side
    20,736,190.10x = 586,162,334,716,877.12
  5. Step 5: Solve for x
    x = 586,162,334,716,877.12/20,736,190.10
  6. Step 6: Final answer
    x = 28,267,600.36

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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.