Home / 14,195,979.20-21,309,715.20-8,810,710.40

Finding the Fourth Proportional to 14,195,979.20, 21,309,715.20 and 8,810,710.40

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Solution

The fourth proportional to 14,195,979.20, 21,309,715.20 and 8,810,710.40 is: 13,225,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195,979.20 : 21,309,715.20 = 8,810,710.40 : x
  2. Step 2: Convert to fraction form
    14,195,979.20/21,309,715.20 = 8,810,710.40/x
  3. Step 3: Cross multiply
    14,195,979.20x = 21,309,715.20 × 8,810,710.40
  4. Step 4: Simplify right side
    14,195,979.20x = 187,753,729,333,678.09
  5. Step 5: Solve for x
    x = 187,753,729,333,678.09/14,195,979.20
  6. Step 6: Final answer
    x = 13,225,838.58

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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.