Home / 31,951,069.20-47,898,610.20-19,176,656.40

Finding the Fourth Proportional to 31,951,069.20, 47,898,610.20 and 19,176,656.40

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Solution

The fourth proportional to 31,951,069.20, 47,898,610.20 and 19,176,656.40 is: 28,748,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951,069.20 : 47,898,610.20 = 19,176,656.40 : x
  2. Step 2: Convert to fraction form
    31,951,069.20/47,898,610.20 = 19,176,656.40/x
  3. Step 3: Cross multiply
    31,951,069.20x = 47,898,610.20 × 19,176,656.40
  4. Step 4: Simplify right side
    31,951,069.20x = 918,535,189,842,935.25
  5. Step 5: Solve for x
    x = 918,535,189,842,935.25/31,951,069.20
  6. Step 6: Final answer
    x = 28,748,183.17

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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.