Home / 13,698,222.38-18,903,499.70-7,896,976.46

Finding the Fourth Proportional to 13,698,222.38, 18,903,499.70 and 7,896,976.46

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Solution

The fourth proportional to 13,698,222.38, 18,903,499.70 and 7,896,976.46 is: 10,897,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,222.38 : 18,903,499.70 = 7,896,976.46 : x
  2. Step 2: Convert to fraction form
    13,698,222.38/18,903,499.70 = 7,896,976.46/x
  3. Step 3: Cross multiply
    13,698,222.38x = 18,903,499.70 × 7,896,976.46
  4. Step 4: Simplify right side
    13,698,222.38x = 149,280,492,142,517.06
  5. Step 5: Solve for x
    x = 149,280,492,142,517.06/13,698,222.38
  6. Step 6: Final answer
    x = 10,897,800.31

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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.