Home / 7,638,664.84-10,541,146.98-4,200,905.80

Finding the Fourth Proportional to 7,638,664.84, 10,541,146.98 and 4,200,905.80

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Solution

The fourth proportional to 7,638,664.84, 10,541,146.98 and 4,200,905.80 is: 5,797,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,664.84 : 10,541,146.98 = 4,200,905.80 : x
  2. Step 2: Convert to fraction form
    7,638,664.84/10,541,146.98 = 4,200,905.80/x
  3. Step 3: Cross multiply
    7,638,664.84x = 10,541,146.98 × 4,200,905.80
  4. Step 4: Simplify right side
    7,638,664.84x = 44,282,365,486,934.48
  5. Step 5: Solve for x
    x = 44,282,365,486,934.48/7,638,664.84
  6. Step 6: Final answer
    x = 5,797,134.24

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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.