Home / 14,490,979.20-21,739,093.20-7,284,376.80

Finding the Fourth Proportional to 14,490,979.20, 21,739,093.20 and 7,284,376.80

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Solution

The fourth proportional to 14,490,979.20, 21,739,093.20 and 7,284,376.80 is: 10,927,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490,979.20 : 21,739,093.20 = 7,284,376.80 : x
  2. Step 2: Convert to fraction form
    14,490,979.20/21,739,093.20 = 7,284,376.80/x
  3. Step 3: Cross multiply
    14,490,979.20x = 21,739,093.20 × 7,284,376.80
  4. Step 4: Simplify right side
    14,490,979.20x = 158,355,746,159,117.75
  5. Step 5: Solve for x
    x = 158,355,746,159,117.75/14,490,979.20
  6. Step 6: Final answer
    x = 10,927,884.44

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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.