Home / 15,451,190.13-21,323,720.07-10,215,101.01

Finding the Fourth Proportional to 15,451,190.13, 21,323,720.07 and 10,215,101.01

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Solution

The fourth proportional to 15,451,190.13, 21,323,720.07 and 10,215,101.01 is: 14,097,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,190.13 : 21,323,720.07 = 10,215,101.01 : x
  2. Step 2: Convert to fraction form
    15,451,190.13/21,323,720.07 = 10,215,101.01/x
  3. Step 3: Cross multiply
    15,451,190.13x = 21,323,720.07 × 10,215,101.01
  4. Step 4: Simplify right side
    15,451,190.13x = 217,823,954,424,014.28
  5. Step 5: Solve for x
    x = 217,823,954,424,014.28/15,451,190.13
  6. Step 6: Final answer
    x = 14,097,551.88

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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.