Home / 17,280,099.60-25,920,149.40-12,801,123.60

Finding the Fourth Proportional to 17,280,099.60, 25,920,149.40 and 12,801,123.60

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Solution

The fourth proportional to 17,280,099.60, 25,920,149.40 and 12,801,123.60 is: 19,201,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,099.60 : 25,920,149.40 = 12,801,123.60 : x
  2. Step 2: Convert to fraction form
    17,280,099.60/25,920,149.40 = 12,801,123.60/x
  3. Step 3: Cross multiply
    17,280,099.60x = 25,920,149.40 × 12,801,123.60
  4. Step 4: Simplify right side
    17,280,099.60x = 331,807,036,199,865.81
  5. Step 5: Solve for x
    x = 331,807,036,199,865.81/17,280,099.60
  6. Step 6: Final answer
    x = 19,201,685.40

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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.