Home / 30,555,279.92-42,165,444.84-16,804,249.04

Finding the Fourth Proportional to 30,555,279.92, 42,165,444.84 and 16,804,249.04

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Solution

The fourth proportional to 30,555,279.92, 42,165,444.84 and 16,804,249.04 is: 23,189,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555,279.92 : 42,165,444.84 = 16,804,249.04 : x
  2. Step 2: Convert to fraction form
    30,555,279.92/42,165,444.84 = 16,804,249.04/x
  3. Step 3: Cross multiply
    30,555,279.92x = 42,165,444.84 × 16,804,249.04
  4. Step 4: Simplify right side
    30,555,279.92x = 708,558,635,973,743
  5. Step 5: Solve for x
    x = 708,558,635,973,743/30,555,279.92
  6. Step 6: Final answer
    x = 23,189,400.91

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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.