Home / 12,906,601.60-19,359,902.40-5,338,998.40

Finding the Fourth Proportional to 12,906,601.60, 19,359,902.40 and 5,338,998.40

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Solution

The fourth proportional to 12,906,601.60, 19,359,902.40 and 5,338,998.40 is: 8,008,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,601.60 : 19,359,902.40 = 5,338,998.40 : x
  2. Step 2: Convert to fraction form
    12,906,601.60/19,359,902.40 = 5,338,998.40/x
  3. Step 3: Cross multiply
    12,906,601.60x = 19,359,902.40 × 5,338,998.40
  4. Step 4: Simplify right side
    12,906,601.60x = 103,362,487,937,756.16
  5. Step 5: Solve for x
    x = 103,362,487,937,756.16/12,906,601.60
  6. Step 6: Final answer
    x = 8,008,497.60

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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.