Home / 14,372,000.20-21,558,000.30-13,420,217.80

Finding the Fourth Proportional to 14,372,000.20, 21,558,000.30 and 13,420,217.80

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Solution

The fourth proportional to 14,372,000.20, 21,558,000.30 and 13,420,217.80 is: 20,130,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372,000.20 : 21,558,000.30 = 13,420,217.80 : x
  2. Step 2: Convert to fraction form
    14,372,000.20/21,558,000.30 = 13,420,217.80/x
  3. Step 3: Cross multiply
    14,372,000.20x = 21,558,000.30 × 13,420,217.80
  4. Step 4: Simplify right side
    14,372,000.20x = 289,313,059,358,465.38
  5. Step 5: Solve for x
    x = 289,313,059,358,465.38/14,372,000.20
  6. Step 6: Final answer
    x = 20,130,326.70

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1.5x scale

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.