Home / 15,200,101.14-20,977,637.09-8,674,712.79

Finding the Fourth Proportional to 15,200,101.14, 20,977,637.09 and 8,674,712.79

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Solution

The fourth proportional to 15,200,101.14, 20,977,637.09 and 8,674,712.79 is: 11,971,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,101.14 : 20,977,637.09 = 8,674,712.79 : x
  2. Step 2: Convert to fraction form
    15,200,101.14/20,977,637.09 = 8,674,712.79/x
  3. Step 3: Cross multiply
    15,200,101.14x = 20,977,637.09 × 8,674,712.79
  4. Step 4: Simplify right side
    15,200,101.14x = 181,974,976,725,227.81
  5. Step 5: Solve for x
    x = 181,974,976,725,227.81/15,200,101.14
  6. Step 6: Final answer
    x = 11,971,958.28

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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.