Home / 12,137,673.69-18,193,794.12-5,655,404.01

Finding the Fourth Proportional to 12,137,673.69, 18,193,794.12 and 5,655,404.01

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Solution

The fourth proportional to 12,137,673.69, 18,193,794.12 and 5,655,404.01 is: 8,477,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,673.69 : 18,193,794.12 = 5,655,404.01 : x
  2. Step 2: Convert to fraction form
    12,137,673.69/18,193,794.12 = 5,655,404.01/x
  3. Step 3: Cross multiply
    12,137,673.69x = 18,193,794.12 × 5,655,404.01
  4. Step 4: Simplify right side
    12,137,673.69x = 102,893,256,223,362.42
  5. Step 5: Solve for x
    x = 102,893,256,223,362.42/12,137,673.69
  6. Step 6: Final answer
    x = 8,477,180.95

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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.