Home / 6,912,361.90-9,539,595.75-3,815,492.14

Finding the Fourth Proportional to 6,912,361.90, 9,539,595.75 and 3,815,492.14

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Solution

The fourth proportional to 6,912,361.90, 9,539,595.75 and 3,815,492.14 is: 5,265,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,361.90 : 9,539,595.75 = 3,815,492.14 : x
  2. Step 2: Convert to fraction form
    6,912,361.90/9,539,595.75 = 3,815,492.14/x
  3. Step 3: Cross multiply
    6,912,361.90x = 9,539,595.75 × 3,815,492.14
  4. Step 4: Simplify right side
    6,912,361.90x = 36,398,252,602,902.41
  5. Step 5: Solve for x
    x = 36,398,252,602,902.41/6,912,361.90
  6. Step 6: Final answer
    x = 5,265,675.20

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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.