Home / 7,217,457.42-9,959,938.83-3,954,113.22

Finding the Fourth Proportional to 7,217,457.42, 9,959,938.83 and 3,954,113.22

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Solution

The fourth proportional to 7,217,457.42, 9,959,938.83 and 3,954,113.22 is: 5,456,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,457.42 : 9,959,938.83 = 3,954,113.22 : x
  2. Step 2: Convert to fraction form
    7,217,457.42/9,959,938.83 = 3,954,113.22/x
  3. Step 3: Cross multiply
    7,217,457.42x = 9,959,938.83 × 3,954,113.22
  4. Step 4: Simplify right side
    7,217,457.42x = 39,382,725,798,094.34
  5. Step 5: Solve for x
    x = 39,382,725,798,094.34/7,217,457.42
  6. Step 6: Final answer
    x = 5,456,592.75

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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.