Home / 12,800,517.48-19,210,864.37-5,617,009.80

Finding the Fourth Proportional to 12,800,517.48, 19,210,864.37 and 5,617,009.80

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Solution

The fourth proportional to 12,800,517.48, 19,210,864.37 and 5,617,009.80 is: 8,429,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800,517.48 : 19,210,864.37 = 5,617,009.80 : x
  2. Step 2: Convert to fraction form
    12,800,517.48/19,210,864.37 = 5,617,009.80/x
  3. Step 3: Cross multiply
    12,800,517.48x = 19,210,864.37 × 5,617,009.80
  4. Step 4: Simplify right side
    12,800,517.48x = 107,907,613,404,675.77
  5. Step 5: Solve for x
    x = 107,907,613,404,675.77/12,800,517.48
  6. Step 6: Final answer
    x = 8,429,941.49

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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.