Home / 13,698,221.63-18,903,498.67-7,896,975.71

Finding the Fourth Proportional to 13,698,221.63, 18,903,498.67 and 7,896,975.71

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Solution

The fourth proportional to 13,698,221.63, 18,903,498.67 and 7,896,975.71 is: 10,897,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,221.63 : 18,903,498.67 = 7,896,975.71 : x
  2. Step 2: Convert to fraction form
    13,698,221.63/18,903,498.67 = 7,896,975.71/x
  3. Step 3: Cross multiply
    13,698,221.63x = 18,903,498.67 × 7,896,975.71
  4. Step 4: Simplify right side
    13,698,221.63x = 149,280,469,831,007.31
  5. Step 5: Solve for x
    x = 149,280,469,831,007.31/13,698,221.63
  6. Step 6: Final answer
    x = 10,897,799.28

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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.