Home / 15,285,237.23-21,093,794.80-8,315,954.40

Finding the Fourth Proportional to 15,285,237.23, 21,093,794.80 and 8,315,954.40

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Solution

The fourth proportional to 15,285,237.23, 21,093,794.80 and 8,315,954.40 is: 11,476,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,237.23 : 21,093,794.80 = 8,315,954.40 : x
  2. Step 2: Convert to fraction form
    15,285,237.23/21,093,794.80 = 8,315,954.40/x
  3. Step 3: Cross multiply
    15,285,237.23x = 21,093,794.80 × 8,315,954.40
  4. Step 4: Simplify right side
    15,285,237.23x = 175,415,035,679,757.12
  5. Step 5: Solve for x
    x = 175,415,035,679,757.12/15,285,237.23
  6. Step 6: Final answer
    x = 11,476,108.16

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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.