Home / 19,878,697.60-29,818,046.40-16,288,518.40

Finding the Fourth Proportional to 19,878,697.60, 29,818,046.40 and 16,288,518.40

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Solution

The fourth proportional to 19,878,697.60, 29,818,046.40 and 16,288,518.40 is: 24,432,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,878,697.60 : 29,818,046.40 = 16,288,518.40 : x
  2. Step 2: Convert to fraction form
    19,878,697.60/29,818,046.40 = 16,288,518.40/x
  3. Step 3: Cross multiply
    19,878,697.60x = 29,818,046.40 × 16,288,518.40
  4. Step 4: Simplify right side
    19,878,697.60x = 485,691,797,438,453.75
  5. Step 5: Solve for x
    x = 485,691,797,438,453.75/19,878,697.60
  6. Step 6: Final answer
    x = 24,432,777.60

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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.