Home / 18,875,290.15-28,247,879.22-11,583,909.91

Finding the Fourth Proportional to 18,875,290.15, 28,247,879.22 and 11,583,909.91

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Solution

The fourth proportional to 18,875,290.15, 28,247,879.22 and 11,583,909.91 is: 17,335,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,290.15 : 28,247,879.22 = 11,583,909.91 : x
  2. Step 2: Convert to fraction form
    18,875,290.15/28,247,879.22 = 11,583,909.91/x
  3. Step 3: Cross multiply
    18,875,290.15x = 28,247,879.22 × 11,583,909.91
  4. Step 4: Simplify right side
    18,875,290.15x = 327,220,888,033,041.06
  5. Step 5: Solve for x
    x = 327,220,888,033,041.06/18,875,290.15
  6. Step 6: Final answer
    x = 17,335,939.50

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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.