Home / 38,490,279.60-57,750,971.40-16,928,986.80

Finding the Fourth Proportional to 38,490,279.60, 57,750,971.40 and 16,928,986.80

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Solution

The fourth proportional to 38,490,279.60, 57,750,971.40 and 16,928,986.80 is: 25,400,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490,279.60 : 57,750,971.40 = 16,928,986.80 : x
  2. Step 2: Convert to fraction form
    38,490,279.60/57,750,971.40 = 16,928,986.80/x
  3. Step 3: Cross multiply
    38,490,279.60x = 57,750,971.40 × 16,928,986.80
  4. Step 4: Simplify right side
    38,490,279.60x = 977,665,432,517,777.50
  5. Step 5: Solve for x
    x = 977,665,432,517,777.50/38,490,279.60
  6. Step 6: Final answer
    x = 25,400,320.36

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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.