Home / 28,960,855.70-43,457,029.95-11,923,250.90

Finding the Fourth Proportional to 28,960,855.70, 43,457,029.95 and 11,923,250.90

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Solution

The fourth proportional to 28,960,855.70, 43,457,029.95 and 11,923,250.90 is: 17,891,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960,855.70 : 43,457,029.95 = 11,923,250.90 : x
  2. Step 2: Convert to fraction form
    28,960,855.70/43,457,029.95 = 11,923,250.90/x
  3. Step 3: Cross multiply
    28,960,855.70x = 43,457,029.95 × 11,923,250.90
  4. Step 4: Simplify right side
    28,960,855.70x = 518,149,071,462,664.50
  5. Step 5: Solve for x
    x = 518,149,071,462,664.50/28,960,855.70
  6. Step 6: Final answer
    x = 17,891,359.18

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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.