Home / 13,407,354.18-20,114,180.07-4,431,905.86

Finding the Fourth Proportional to 13,407,354.18, 20,114,180.07 and 4,431,905.86

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Solution

The fourth proportional to 13,407,354.18, 20,114,180.07 and 4,431,905.86 is: 6,648,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,354.18 : 20,114,180.07 = 4,431,905.86 : x
  2. Step 2: Convert to fraction form
    13,407,354.18/20,114,180.07 = 4,431,905.86/x
  3. Step 3: Cross multiply
    13,407,354.18x = 20,114,180.07 × 4,431,905.86
  4. Step 4: Simplify right side
    13,407,354.18x = 89,144,152,521,328.22
  5. Step 5: Solve for x
    x = 89,144,152,521,328.22/13,407,354.18
  6. Step 6: Final answer
    x = 6,648,899.65

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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.