Home / 20,172,318.90-30,223,048.95-16,558,520.10

Finding the Fourth Proportional to 20,172,318.90, 30,223,048.95 and 16,558,520.10

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Solution

The fourth proportional to 20,172,318.90, 30,223,048.95 and 16,558,520.10 is: 24,808,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172,318.90 : 30,223,048.95 = 16,558,520.10 : x
  2. Step 2: Convert to fraction form
    20,172,318.90/30,223,048.95 = 16,558,520.10/x
  3. Step 3: Cross multiply
    20,172,318.90x = 30,223,048.95 × 16,558,520.10
  4. Step 4: Simplify right side
    20,172,318.90x = 500,448,963,521,858.88
  5. Step 5: Solve for x
    x = 500,448,963,521,858.88/20,172,318.90
  6. Step 6: Final answer
    x = 24,808,697.80

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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.