Home / 12,120,818.81-16,727,084.90-6,614,548.51

Finding the Fourth Proportional to 12,120,818.81, 16,727,084.90 and 6,614,548.51

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Solution

The fourth proportional to 12,120,818.81, 16,727,084.90 and 6,614,548.51 is: 9,128,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,818.81 : 16,727,084.90 = 6,614,548.51 : x
  2. Step 2: Convert to fraction form
    12,120,818.81/16,727,084.90 = 6,614,548.51/x
  3. Step 3: Cross multiply
    12,120,818.81x = 16,727,084.90 × 6,614,548.51
  4. Step 4: Simplify right side
    12,120,818.81x = 110,642,114,468,865.75
  5. Step 5: Solve for x
    x = 110,642,114,468,865.75/12,120,818.81
  6. Step 6: Final answer
    x = 9,128,270.64

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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.