Home / 20,617,919.48-28,514,384.70-18,035,116.76

Finding the Fourth Proportional to 20,617,919.48, 28,514,384.70 and 18,035,116.76

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Solution

The fourth proportional to 20,617,919.48, 28,514,384.70 and 18,035,116.76 is: 24,942,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,919.48 : 28,514,384.70 = 18,035,116.76 : x
  2. Step 2: Convert to fraction form
    20,617,919.48/28,514,384.70 = 18,035,116.76/x
  3. Step 3: Cross multiply
    20,617,919.48x = 28,514,384.70 × 18,035,116.76
  4. Step 4: Simplify right side
    20,617,919.48x = 514,260,257,404,057.62
  5. Step 5: Solve for x
    x = 514,260,257,404,057.62/20,617,919.48
  6. Step 6: Final answer
    x = 24,942,393.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.