Home / 22,230,815.67-30,677,865.48-12,308,139.72

Finding the Fourth Proportional to 22,230,815.67, 30,677,865.48 and 12,308,139.72

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Solution

The fourth proportional to 22,230,815.67, 30,677,865.48 and 12,308,139.72 is: 16,984,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230,815.67 : 30,677,865.48 = 12,308,139.72 : x
  2. Step 2: Convert to fraction form
    22,230,815.67/30,677,865.48 = 12,308,139.72/x
  3. Step 3: Cross multiply
    22,230,815.67x = 30,677,865.48 × 12,308,139.72
  4. Step 4: Simplify right side
    22,230,815.67x = 377,587,454,639,204.88
  5. Step 5: Solve for x
    x = 377,587,454,639,204.88/22,230,815.67
  6. Step 6: Final answer
    x = 16,984,867.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.