Home / 25,428,615.12-35,091,225-18,931,300.56

Finding the Fourth Proportional to 25,428,615.12, 35,091,225 and 18,931,300.56

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Solution

The fourth proportional to 25,428,615.12, 35,091,225 and 18,931,300.56 is: 26,124,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428,615.12 : 35,091,225 = 18,931,300.56 : x
  2. Step 2: Convert to fraction form
    25,428,615.12/35,091,225 = 18,931,300.56/x
  3. Step 3: Cross multiply
    25,428,615.12x = 35,091,225 × 18,931,300.56
  4. Step 4: Simplify right side
    25,428,615.12x = 664,322,527,493,586
  5. Step 5: Solve for x
    x = 664,322,527,493,586/25,428,615.12
  6. Step 6: Final answer
    x = 26,124,998.33

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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.