Home / 14,620,291.86-20,178,114.22-8,424,152.32

Finding the Fourth Proportional to 14,620,291.86, 20,178,114.22 and 8,424,152.32

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Solution

The fourth proportional to 14,620,291.86, 20,178,114.22 and 8,424,152.32 is: 11,626,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620,291.86 : 20,178,114.22 = 8,424,152.32 : x
  2. Step 2: Convert to fraction form
    14,620,291.86/20,178,114.22 = 8,424,152.32/x
  3. Step 3: Cross multiply
    14,620,291.86x = 20,178,114.22 × 8,424,152.32
  4. Step 4: Simplify right side
    14,620,291.86x = 169,983,507,719,638
  5. Step 5: Solve for x
    x = 169,983,507,719,638/14,620,291.86
  6. Step 6: Final answer
    x = 11,626,546.81

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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.