Home / 31,822,681.82-47,708,278.37-9,951,808.72

Finding the Fourth Proportional to 31,822,681.82, 47,708,278.37 and 9,951,808.72

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Solution

The fourth proportional to 31,822,681.82, 47,708,278.37 and 9,951,808.72 is: 14,919,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822,681.82 : 47,708,278.37 = 9,951,808.72 : x
  2. Step 2: Convert to fraction form
    31,822,681.82/47,708,278.37 = 9,951,808.72/x
  3. Step 3: Cross multiply
    31,822,681.82x = 47,708,278.37 × 9,951,808.72
  4. Step 4: Simplify right side
    31,822,681.82x = 474,783,660,410,452.94
  5. Step 5: Solve for x
    x = 474,783,660,410,452.94/31,822,681.82
  6. Step 6: Final answer
    x = 14,919,662.12

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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.