Home / 12,110,129.10-18,165,193.65-3,134,681.10

Finding the Fourth Proportional to 12,110,129.10, 18,165,193.65 and 3,134,681.10

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Solution

The fourth proportional to 12,110,129.10, 18,165,193.65 and 3,134,681.10 is: 4,702,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,129.10 : 18,165,193.65 = 3,134,681.10 : x
  2. Step 2: Convert to fraction form
    12,110,129.10/18,165,193.65 = 3,134,681.10/x
  3. Step 3: Cross multiply
    12,110,129.10x = 18,165,193.65 × 3,134,681.10
  4. Step 4: Simplify right side
    12,110,129.10x = 56,942,089,212,495.02
  5. Step 5: Solve for x
    x = 56,942,089,212,495.02/12,110,129.10
  6. Step 6: Final answer
    x = 4,702,021.65

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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.