Home / 20,299,222-28,012,896.38-11,006,775.19

Finding the Fourth Proportional to 20,299,222, 28,012,896.38 and 11,006,775.19

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Solution

The fourth proportional to 20,299,222, 28,012,896.38 and 11,006,775.19 is: 15,189,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,222 : 28,012,896.38 = 11,006,775.19 : x
  2. Step 2: Convert to fraction form
    20,299,222/28,012,896.38 = 11,006,775.19/x
  3. Step 3: Cross multiply
    20,299,222x = 28,012,896.38 × 11,006,775.19
  4. Step 4: Simplify right side
    20,299,222x = 308,331,652,875,424.81
  5. Step 5: Solve for x
    x = 308,331,652,875,424.81/20,299,222
  6. Step 6: Final answer
    x = 15,189,333.51

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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.