Home / 13,634,865.70-18,816,505.41-7,523,687.86

Finding the Fourth Proportional to 13,634,865.70, 18,816,505.41 and 7,523,687.86

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Solution

The fourth proportional to 13,634,865.70, 18,816,505.41 and 7,523,687.86 is: 10,382,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,865.70 : 18,816,505.41 = 7,523,687.86 : x
  2. Step 2: Convert to fraction form
    13,634,865.70/18,816,505.41 = 7,523,687.86/x
  3. Step 3: Cross multiply
    13,634,865.70x = 18,816,505.41 × 7,523,687.86
  4. Step 4: Simplify right side
    13,634,865.70x = 141,569,513,320,841.34
  5. Step 5: Solve for x
    x = 141,569,513,320,841.34/13,634,865.70
  6. Step 6: Final answer
    x = 10,382,904.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.