Home / 14,985,350.78-20,679,783.83-8,109,832.85

Finding the Fourth Proportional to 14,985,350.78, 20,679,783.83 and 8,109,832.85

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Solution

The fourth proportional to 14,985,350.78, 20,679,783.83 and 8,109,832.85 is: 11,191,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,350.78 : 20,679,783.83 = 8,109,832.85 : x
  2. Step 2: Convert to fraction form
    14,985,350.78/20,679,783.83 = 8,109,832.85/x
  3. Step 3: Cross multiply
    14,985,350.78x = 20,679,783.83 × 8,109,832.85
  4. Step 4: Simplify right side
    14,985,350.78x = 167,709,590,152,308.47
  5. Step 5: Solve for x
    x = 167,709,590,152,308.47/14,985,350.78
  6. Step 6: Final answer
    x = 11,191,569.19

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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.