Home / 30,925,142.26-42,675,527.14-17,174,992.12

Finding the Fourth Proportional to 30,925,142.26, 42,675,527.14 and 17,174,992.12

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Solution

The fourth proportional to 30,925,142.26, 42,675,527.14 and 17,174,992.12 is: 23,700,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925,142.26 : 42,675,527.14 = 17,174,992.12 : x
  2. Step 2: Convert to fraction form
    30,925,142.26/42,675,527.14 = 17,174,992.12/x
  3. Step 3: Cross multiply
    30,925,142.26x = 42,675,527.14 × 17,174,992.12
  4. Step 4: Simplify right side
    30,925,142.26x = 732,951,842,132,968.50
  5. Step 5: Solve for x
    x = 732,951,842,132,968.50/30,925,142.26
  6. Step 6: Final answer
    x = 23,700,839.79

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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.