Home / 7,202,113.42-9,938,777.28-3,938,918.06

Finding the Fourth Proportional to 7,202,113.42, 9,938,777.28 and 3,938,918.06

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Solution

The fourth proportional to 7,202,113.42, 9,938,777.28 and 3,938,918.06 is: 5,435,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,113.42 : 9,938,777.28 = 3,938,918.06 : x
  2. Step 2: Convert to fraction form
    7,202,113.42/9,938,777.28 = 3,938,918.06/x
  3. Step 3: Cross multiply
    7,202,113.42x = 9,938,777.28 × 3,938,918.06
  4. Step 4: Simplify right side
    7,202,113.42x = 39,148,029,302,815.09
  5. Step 5: Solve for x
    x = 39,148,029,302,815.09/7,202,113.42
  6. Step 6: Final answer
    x = 5,435,630.77

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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.