Home / 30,425,710.24-41,974,284.48-20,126,806.48

Finding the Fourth Proportional to 30,425,710.24, 41,974,284.48 and 20,126,806.48

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Solution

The fourth proportional to 30,425,710.24, 41,974,284.48 and 20,126,806.48 is: 27,766,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425,710.24 : 41,974,284.48 = 20,126,806.48 : x
  2. Step 2: Convert to fraction form
    30,425,710.24/41,974,284.48 = 20,126,806.48/x
  3. Step 3: Cross multiply
    30,425,710.24x = 41,974,284.48 × 20,126,806.48
  4. Step 4: Simplify right side
    30,425,710.24x = 844,808,300,865,427.38
  5. Step 5: Solve for x
    x = 844,808,300,865,427.38/30,425,710.24
  6. Step 6: Final answer
    x = 27,766,263.93

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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.