Home / 14,215,519.40-21,323,279.10-14,109,231.20

Finding the Fourth Proportional to 14,215,519.40, 21,323,279.10 and 14,109,231.20

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Solution

The fourth proportional to 14,215,519.40, 21,323,279.10 and 14,109,231.20 is: 21,163,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,519.40 : 21,323,279.10 = 14,109,231.20 : x
  2. Step 2: Convert to fraction form
    14,215,519.40/21,323,279.10 = 14,109,231.20/x
  3. Step 3: Cross multiply
    14,215,519.40x = 21,323,279.10 × 14,109,231.20
  4. Step 4: Simplify right side
    14,215,519.40x = 300,855,074,764,027.94
  5. Step 5: Solve for x
    x = 300,855,074,764,027.94/14,215,519.40
  6. Step 6: Final answer
    x = 21,163,846.80

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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.