Home / 12,801,089.96-19,201,654.37-5,228,055.71

Finding the Fourth Proportional to 12,801,089.96, 19,201,654.37 and 5,228,055.71

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Solution

The fourth proportional to 12,801,089.96, 19,201,654.37 and 5,228,055.71 is: 7,842,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,089.96 : 19,201,654.37 = 5,228,055.71 : x
  2. Step 2: Convert to fraction form
    12,801,089.96/19,201,654.37 = 5,228,055.71/x
  3. Step 3: Cross multiply
    12,801,089.96x = 19,201,654.37 × 5,228,055.71
  4. Step 4: Simplify right side
    12,801,089.96x = 100,387,318,687,586.81
  5. Step 5: Solve for x
    x = 100,387,318,687,586.81/12,801,089.96
  6. Step 6: Final answer
    x = 7,842,091.50

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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.