Home / 12,298,141.80-18,458,407.04-6,545,704.86

Finding the Fourth Proportional to 12,298,141.80, 18,458,407.04 and 6,545,704.86

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Solution

The fourth proportional to 12,298,141.80, 18,458,407.04 and 6,545,704.86 is: 9,824,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,141.80 : 18,458,407.04 = 6,545,704.86 : x
  2. Step 2: Convert to fraction form
    12,298,141.80/18,458,407.04 = 6,545,704.86/x
  3. Step 3: Cross multiply
    12,298,141.80x = 18,458,407.04 × 6,545,704.86
  4. Step 4: Simplify right side
    12,298,141.80x = 120,823,284,636,857.70
  5. Step 5: Solve for x
    x = 120,823,284,636,857.70/12,298,141.80
  6. Step 6: Final answer
    x = 9,824,515.49

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1.5x scale

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.