Home / 31,942,431.46-47,921,710.59-8,913,346.66

Finding the Fourth Proportional to 31,942,431.46, 47,921,710.59 and 8,913,346.66

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Solution

The fourth proportional to 31,942,431.46, 47,921,710.59 and 8,913,346.66 is: 13,372,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942,431.46 : 47,921,710.59 = 8,913,346.66 : x
  2. Step 2: Convert to fraction form
    31,942,431.46/47,921,710.59 = 8,913,346.66/x
  3. Step 3: Cross multiply
    31,942,431.46x = 47,921,710.59 × 8,913,346.66
  4. Step 4: Simplify right side
    31,942,431.46x = 427,142,819,028,863.19
  5. Step 5: Solve for x
    x = 427,142,819,028,863.19/31,942,431.46
  6. Step 6: Final answer
    x = 13,372,270.03

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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.