Home / 13,367,107.61-18,446,131.13-7,565,764.78

Finding the Fourth Proportional to 13,367,107.61, 18,446,131.13 and 7,565,764.78

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Solution

The fourth proportional to 13,367,107.61, 18,446,131.13 and 7,565,764.78 is: 10,440,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367,107.61 : 18,446,131.13 = 7,565,764.78 : x
  2. Step 2: Convert to fraction form
    13,367,107.61/18,446,131.13 = 7,565,764.78/x
  3. Step 3: Cross multiply
    13,367,107.61x = 18,446,131.13 × 7,565,764.78
  4. Step 4: Simplify right side
    13,367,107.61x = 139,559,089,146,671.45
  5. Step 5: Solve for x
    x = 139,559,089,146,671.45/13,367,107.61
  6. Step 6: Final answer
    x = 10,440,485.20

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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.