Home / 12,089,764.80-16,684,634.40-6,657,256.80

Finding the Fourth Proportional to 12,089,764.80, 16,684,634.40 and 6,657,256.80

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Solution

The fourth proportional to 12,089,764.80, 16,684,634.40 and 6,657,256.80 is: 9,187,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,764.80 : 16,684,634.40 = 6,657,256.80 : x
  2. Step 2: Convert to fraction form
    12,089,764.80/16,684,634.40 = 6,657,256.80/x
  3. Step 3: Cross multiply
    12,089,764.80x = 16,684,634.40 × 6,657,256.80
  4. Step 4: Simplify right side
    12,089,764.80x = 111,073,895,814,913.92
  5. Step 5: Solve for x
    x = 111,073,895,814,913.92/12,089,764.80
  6. Step 6: Final answer
    x = 9,187,432.32

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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.