Home / 5,105,115.60-7,657,673.40-4,931,905.20

Finding the Fourth Proportional to 5,105,115.60, 7,657,673.40 and 4,931,905.20

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Solution

The fourth proportional to 5,105,115.60, 7,657,673.40 and 4,931,905.20 is: 7,397,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,115.60 : 7,657,673.40 = 4,931,905.20 : x
  2. Step 2: Convert to fraction form
    5,105,115.60/7,657,673.40 = 4,931,905.20/x
  3. Step 3: Cross multiply
    5,105,115.60x = 7,657,673.40 × 4,931,905.20
  4. Step 4: Simplify right side
    5,105,115.60x = 37,766,919,261,361.68
  5. Step 5: Solve for x
    x = 37,766,919,261,361.68/5,105,115.60
  6. Step 6: Final answer
    x = 7,397,857.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.