Home / 31,538,186.19-47,307,658.37-12,377,966.67

Finding the Fourth Proportional to 31,538,186.19, 47,307,658.37 and 12,377,966.67

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Solution

The fourth proportional to 31,538,186.19, 47,307,658.37 and 12,377,966.67 is: 18,567,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538,186.19 : 47,307,658.37 = 12,377,966.67 : x
  2. Step 2: Convert to fraction form
    31,538,186.19/47,307,658.37 = 12,377,966.67/x
  3. Step 3: Cross multiply
    31,538,186.19x = 47,307,658.37 × 12,377,966.67
  4. Step 4: Simplify right side
    31,538,186.19x = 585,572,618,477,716.75
  5. Step 5: Solve for x
    x = 585,572,618,477,716.75/31,538,186.19
  6. Step 6: Final answer
    x = 18,567,098.78

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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.