Home / 18,518,709.53-27,750,168.50-16,500,567.80

Finding the Fourth Proportional to 18,518,709.53, 27,750,168.50 and 16,500,567.80

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Solution

The fourth proportional to 18,518,709.53, 27,750,168.50 and 16,500,567.80 is: 24,725,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518,709.53 : 27,750,168.50 = 16,500,567.80 : x
  2. Step 2: Convert to fraction form
    18,518,709.53/27,750,168.50 = 16,500,567.80/x
  3. Step 3: Cross multiply
    18,518,709.53x = 27,750,168.50 × 16,500,567.80
  4. Step 4: Simplify right side
    18,518,709.53x = 457,893,536,574,420.62
  5. Step 5: Solve for x
    x = 457,893,536,574,420.62/18,518,709.53
  6. Step 6: Final answer
    x = 24,725,995.94

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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.