Home / 12,772,744.51-17,626,404.40-8,189,065.75

Finding the Fourth Proportional to 12,772,744.51, 17,626,404.40 and 8,189,065.75

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Solution

The fourth proportional to 12,772,744.51, 17,626,404.40 and 8,189,065.75 is: 11,300,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,744.51 : 17,626,404.40 = 8,189,065.75 : x
  2. Step 2: Convert to fraction form
    12,772,744.51/17,626,404.40 = 8,189,065.75/x
  3. Step 3: Cross multiply
    12,772,744.51x = 17,626,404.40 × 8,189,065.75
  4. Step 4: Simplify right side
    12,772,744.51x = 144,343,784,615,313.12
  5. Step 5: Solve for x
    x = 144,343,784,615,313.12/12,772,744.51
  6. Step 6: Final answer
    x = 11,300,921.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.