Home / 12,101,913.50-18,156,415.70-3,904,389.50

Finding the Fourth Proportional to 12,101,913.50, 18,156,415.70 and 3,904,389.50

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Solution

The fourth proportional to 12,101,913.50, 18,156,415.70 and 3,904,389.50 is: 5,857,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,913.50 : 18,156,415.70 = 3,904,389.50 : x
  2. Step 2: Convert to fraction form
    12,101,913.50/18,156,415.70 = 3,904,389.50/x
  3. Step 3: Cross multiply
    12,101,913.50x = 18,156,415.70 × 3,904,389.50
  4. Step 4: Simplify right side
    12,101,913.50x = 70,889,718,816,715.14
  5. Step 5: Solve for x
    x = 70,889,718,816,715.14/12,101,913.50
  6. Step 6: Final answer
    x = 5,857,728.10

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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.