Home / 14,074,533.60-21,086,917.20-12,482,008.80

Finding the Fourth Proportional to 14,074,533.60, 21,086,917.20 and 12,482,008.80

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Solution

The fourth proportional to 14,074,533.60, 21,086,917.20 and 12,482,008.80 is: 18,700,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074,533.60 : 21,086,917.20 = 12,482,008.80 : x
  2. Step 2: Convert to fraction form
    14,074,533.60/21,086,917.20 = 12,482,008.80/x
  3. Step 3: Cross multiply
    14,074,533.60x = 21,086,917.20 × 12,482,008.80
  4. Step 4: Simplify right side
    14,074,533.60x = 263,207,086,055,271.38
  5. Step 5: Solve for x
    x = 263,207,086,055,271.38/14,074,533.60
  6. Step 6: Final answer
    x = 18,700,945.52

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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.