Home / 8,912,479.43-12,299,293.84-4,938,817.01

Finding the Fourth Proportional to 8,912,479.43, 12,299,293.84 and 4,938,817.01

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Solution

The fourth proportional to 8,912,479.43, 12,299,293.84 and 4,938,817.01 is: 6,815,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,479.43 : 12,299,293.84 = 4,938,817.01 : x
  2. Step 2: Convert to fraction form
    8,912,479.43/12,299,293.84 = 4,938,817.01/x
  3. Step 3: Cross multiply
    8,912,479.43x = 12,299,293.84 × 4,938,817.01
  4. Step 4: Simplify right side
    8,912,479.43x = 60,743,961,611,881.65
  5. Step 5: Solve for x
    x = 60,743,961,611,881.65/8,912,479.43
  6. Step 6: Final answer
    x = 6,815,607.49

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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.