Home / 12,210,826.36-18,316,405.78-4,531,503.92

Finding the Fourth Proportional to 12,210,826.36, 18,316,405.78 and 4,531,503.92

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Solution

The fourth proportional to 12,210,826.36, 18,316,405.78 and 4,531,503.92 is: 6,797,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,826.36 : 18,316,405.78 = 4,531,503.92 : x
  2. Step 2: Convert to fraction form
    12,210,826.36/18,316,405.78 = 4,531,503.92/x
  3. Step 3: Cross multiply
    12,210,826.36x = 18,316,405.78 × 4,531,503.92
  4. Step 4: Simplify right side
    12,210,826.36x = 83,000,864,592,380.66
  5. Step 5: Solve for x
    x = 83,000,864,592,380.66/12,210,826.36
  6. Step 6: Final answer
    x = 6,797,317.57

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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.