Home / 28,174,794.66-38,885,325.01-15,785,727.14

Finding the Fourth Proportional to 28,174,794.66, 38,885,325.01 and 15,785,727.14

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Solution

The fourth proportional to 28,174,794.66, 38,885,325.01 and 15,785,727.14 is: 21,786,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174,794.66 : 38,885,325.01 = 15,785,727.14 : x
  2. Step 2: Convert to fraction form
    28,174,794.66/38,885,325.01 = 15,785,727.14/x
  3. Step 3: Cross multiply
    28,174,794.66x = 38,885,325.01 × 15,785,727.14
  4. Step 4: Simplify right side
    28,174,794.66x = 613,833,130,415,826.75
  5. Step 5: Solve for x
    x = 613,833,130,415,826.75/28,174,794.66
  6. Step 6: Final answer
    x = 21,786,605.29

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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.