Home / 18,018,328.19-27,032,099.33-5,238,832.88

Finding the Fourth Proportional to 18,018,328.19, 27,032,099.33 and 5,238,832.88

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Solution

The fourth proportional to 18,018,328.19, 27,032,099.33 and 5,238,832.88 is: 7,859,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,328.19 : 27,032,099.33 = 5,238,832.88 : x
  2. Step 2: Convert to fraction form
    18,018,328.19/27,032,099.33 = 5,238,832.88/x
  3. Step 3: Cross multiply
    18,018,328.19x = 27,032,099.33 × 5,238,832.88
  4. Step 4: Simplify right side
    18,018,328.19x = 141,616,650,624,075.31
  5. Step 5: Solve for x
    x = 141,616,650,624,075.31/18,018,328.19
  6. Step 6: Final answer
    x = 7,859,588.81

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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.