Home / 31,410,189.40-47,116,333.88-8,689,183.96

Finding the Fourth Proportional to 31,410,189.40, 47,116,333.88 and 8,689,183.96

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Solution

The fourth proportional to 31,410,189.40, 47,116,333.88 and 8,689,183.96 is: 13,034,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410,189.40 : 47,116,333.88 = 8,689,183.96 : x
  2. Step 2: Convert to fraction form
    31,410,189.40/47,116,333.88 = 8,689,183.96/x
  3. Step 3: Cross multiply
    31,410,189.40x = 47,116,333.88 × 8,689,183.96
  4. Step 4: Simplify right side
    31,410,189.40x = 409,402,492,604,100.62
  5. Step 5: Solve for x
    x = 409,402,492,604,100.62/31,410,189.40
  6. Step 6: Final answer
    x = 13,034,066.35

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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.