Home / 14,258,405.90-21,384,984.45-8,857,390.70

Finding the Fourth Proportional to 14,258,405.90, 21,384,984.45 and 8,857,390.70

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Solution

The fourth proportional to 14,258,405.90, 21,384,984.45 and 8,857,390.70 is: 13,284,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,405.90 : 21,384,984.45 = 8,857,390.70 : x
  2. Step 2: Convert to fraction form
    14,258,405.90/21,384,984.45 = 8,857,390.70/x
  3. Step 3: Cross multiply
    14,258,405.90x = 21,384,984.45 × 8,857,390.70
  4. Step 4: Simplify right side
    14,258,405.90x = 189,415,162,387,074.59
  5. Step 5: Solve for x
    x = 189,415,162,387,074.59/14,258,405.90
  6. Step 6: Final answer
    x = 13,284,455.76

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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.