Home / 12,121,926.66-18,182,447.11-3,602,041.69

Finding the Fourth Proportional to 12,121,926.66, 18,182,447.11 and 3,602,041.69

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Solution

The fourth proportional to 12,121,926.66, 18,182,447.11 and 3,602,041.69 is: 5,402,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,926.66 : 18,182,447.11 = 3,602,041.69 : x
  2. Step 2: Convert to fraction form
    12,121,926.66/18,182,447.11 = 3,602,041.69/x
  3. Step 3: Cross multiply
    12,121,926.66x = 18,182,447.11 × 3,602,041.69
  4. Step 4: Simplify right side
    12,121,926.66x = 65,493,932,516,440.02
  5. Step 5: Solve for x
    x = 65,493,932,516,440.02/12,121,926.66
  6. Step 6: Final answer
    x = 5,402,930.93

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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.