Home / 13,316,481.28-18,371,515.51-7,733,777.45

Finding the Fourth Proportional to 13,316,481.28, 18,371,515.51 and 7,733,777.45

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Solution

The fourth proportional to 13,316,481.28, 18,371,515.51 and 7,733,777.45 is: 10,669,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,481.28 : 18,371,515.51 = 7,733,777.45 : x
  2. Step 2: Convert to fraction form
    13,316,481.28/18,371,515.51 = 7,733,777.45/x
  3. Step 3: Cross multiply
    13,316,481.28x = 18,371,515.51 × 7,733,777.45
  4. Step 4: Simplify right side
    13,316,481.28x = 142,081,212,281,705.69
  5. Step 5: Solve for x
    x = 142,081,212,281,705.69/13,316,481.28
  6. Step 6: Final answer
    x = 10,669,576.24

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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.