Home / 14,821,973.10-20,454,962.15-8,206,561.50

Finding the Fourth Proportional to 14,821,973.10, 20,454,962.15 and 8,206,561.50

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Solution

The fourth proportional to 14,821,973.10, 20,454,962.15 and 8,206,561.50 is: 11,325,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,973.10 : 20,454,962.15 = 8,206,561.50 : x
  2. Step 2: Convert to fraction form
    14,821,973.10/20,454,962.15 = 8,206,561.50/x
  3. Step 3: Cross multiply
    14,821,973.10x = 20,454,962.15 × 8,206,561.50
  4. Step 4: Simplify right side
    14,821,973.10x = 167,864,904,823,114.41
  5. Step 5: Solve for x
    x = 167,864,904,823,114.41/14,821,973.10
  6. Step 6: Final answer
    x = 11,325,408.82

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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.