Home / 28,090,790.82-42,136,186.23-7,896,032.82

Finding the Fourth Proportional to 28,090,790.82, 42,136,186.23 and 7,896,032.82

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Solution

The fourth proportional to 28,090,790.82, 42,136,186.23 and 7,896,032.82 is: 11,844,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,790.82 : 42,136,186.23 = 7,896,032.82 : x
  2. Step 2: Convert to fraction form
    28,090,790.82/42,136,186.23 = 7,896,032.82/x
  3. Step 3: Cross multiply
    28,090,790.82x = 42,136,186.23 × 7,896,032.82
  4. Step 4: Simplify right side
    28,090,790.82x = 332,708,709,381,712.06
  5. Step 5: Solve for x
    x = 332,708,709,381,712.06/28,090,790.82
  6. Step 6: Final answer
    x = 11,844,049.23

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.