Home / 12,123,265.80-18,184,898.70-8,934,619.80

Finding the Fourth Proportional to 12,123,265.80, 18,184,898.70 and 8,934,619.80

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Solution

The fourth proportional to 12,123,265.80, 18,184,898.70 and 8,934,619.80 is: 13,401,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,265.80 : 18,184,898.70 = 8,934,619.80 : x
  2. Step 2: Convert to fraction form
    12,123,265.80/18,184,898.70 = 8,934,619.80/x
  3. Step 3: Cross multiply
    12,123,265.80x = 18,184,898.70 × 8,934,619.80
  4. Step 4: Simplify right side
    12,123,265.80x = 162,475,155,986,014.28
  5. Step 5: Solve for x
    x = 162,475,155,986,014.28/12,123,265.80
  6. Step 6: Final answer
    x = 13,401,929.70

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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.