Home / 12,157,415.59-16,777,365.98-6,650,672.21

Finding the Fourth Proportional to 12,157,415.59, 16,777,365.98 and 6,650,672.21

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Solution

The fourth proportional to 12,157,415.59, 16,777,365.98 and 6,650,672.21 is: 9,178,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,415.59 : 16,777,365.98 = 6,650,672.21 : x
  2. Step 2: Convert to fraction form
    12,157,415.59/16,777,365.98 = 6,650,672.21/x
  3. Step 3: Cross multiply
    12,157,415.59x = 16,777,365.98 × 6,650,672.21
  4. Step 4: Simplify right side
    12,157,415.59x = 111,580,761,680,185.42
  5. Step 5: Solve for x
    x = 111,580,761,680,185.42/12,157,415.59
  6. Step 6: Final answer
    x = 9,178,000.12

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1.5x scale

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.