Home / 12,160,665.81-18,241,210.12-4,480,357.38

Finding the Fourth Proportional to 12,160,665.81, 18,241,210.12 and 4,480,357.38

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Solution

The fourth proportional to 12,160,665.81, 18,241,210.12 and 4,480,357.38 is: 6,720,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160,665.81 : 18,241,210.12 = 4,480,357.38 : x
  2. Step 2: Convert to fraction form
    12,160,665.81/18,241,210.12 = 4,480,357.38/x
  3. Step 3: Cross multiply
    12,160,665.81x = 18,241,210.12 × 4,480,357.38
  4. Step 4: Simplify right side
    12,160,665.81x = 81,727,140,381,272.69
  5. Step 5: Solve for x
    x = 81,727,140,381,272.69/12,160,665.81
  6. Step 6: Final answer
    x = 6,720,613.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.