Home / 18,430,862.34-25,425,091.70-11,458,896.17

Finding the Fourth Proportional to 18,430,862.34, 25,425,091.70 and 11,458,896.17

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Solution

The fourth proportional to 18,430,862.34, 25,425,091.70 and 11,458,896.17 is: 15,807,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,862.34 : 25,425,091.70 = 11,458,896.17 : x
  2. Step 2: Convert to fraction form
    18,430,862.34/25,425,091.70 = 11,458,896.17/x
  3. Step 3: Cross multiply
    18,430,862.34x = 25,425,091.70 × 11,458,896.17
  4. Step 4: Simplify right side
    18,430,862.34x = 291,343,485,903,028.75
  5. Step 5: Solve for x
    x = 291,343,485,903,028.75/18,430,862.34
  6. Step 6: Final answer
    x = 15,807,371.38

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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.