Home / 30,767,301.12-42,471,949.00-19,170,594.20

Finding the Fourth Proportional to 30,767,301.12, 42,471,949.00 and 19,170,594.20

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Solution

The fourth proportional to 30,767,301.12, 42,471,949.00 and 19,170,594.20 is: 26,463,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,301.12 : 42,471,949.00 = 19,170,594.20 : x
  2. Step 2: Convert to fraction form
    30,767,301.12/42,471,949.00 = 19,170,594.20/x
  3. Step 3: Cross multiply
    30,767,301.12x = 42,471,949.00 × 19,170,594.20
  4. Step 4: Simplify right side
    30,767,301.12x = 814,212,499,256,294.12
  5. Step 5: Solve for x
    x = 814,212,499,256,294.12/30,767,301.12
  6. Step 6: Final answer
    x = 26,463,565.85

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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.