Home / 12,298,918.20-18,447,939.90-5,567,332.20

Finding the Fourth Proportional to 12,298,918.20, 18,447,939.90 and 5,567,332.20

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Solution

The fourth proportional to 12,298,918.20, 18,447,939.90 and 5,567,332.20 is: 8,350,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,918.20 : 18,447,939.90 = 5,567,332.20 : x
  2. Step 2: Convert to fraction form
    12,298,918.20/18,447,939.90 = 5,567,332.20/x
  3. Step 3: Cross multiply
    12,298,918.20x = 18,447,939.90 × 5,567,332.20
  4. Step 4: Simplify right side
    12,298,918.20x = 102,705,809,828,934.78
  5. Step 5: Solve for x
    x = 102,705,809,828,934.78/12,298,918.20
  6. Step 6: Final answer
    x = 8,350,800.30

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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.