Home / 30,767,298.08-42,471,944.86-19,170,591.26

Finding the Fourth Proportional to 30,767,298.08, 42,471,944.86 and 19,170,591.26

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Solution

The fourth proportional to 30,767,298.08, 42,471,944.86 and 19,170,591.26 is: 26,463,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,298.08 : 42,471,944.86 = 19,170,591.26 : x
  2. Step 2: Convert to fraction form
    30,767,298.08/42,471,944.86 = 19,170,591.26/x
  3. Step 3: Cross multiply
    30,767,298.08x = 42,471,944.86 × 19,170,591.26
  4. Step 4: Simplify right side
    30,767,298.08x = 814,212,294,928,318
  5. Step 5: Solve for x
    x = 814,212,294,928,318/30,767,298.08
  6. Step 6: Final answer
    x = 26,463,561.83

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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.