Home / 15,631,455.48-21,564,335.00-9,434,521.27

Finding the Fourth Proportional to 15,631,455.48, 21,564,335.00 and 9,434,521.27

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Solution

The fourth proportional to 15,631,455.48, 21,564,335.00 and 9,434,521.27 is: 13,015,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,455.48 : 21,564,335.00 = 9,434,521.27 : x
  2. Step 2: Convert to fraction form
    15,631,455.48/21,564,335.00 = 9,434,521.27/x
  3. Step 3: Cross multiply
    15,631,455.48x = 21,564,335.00 × 9,434,521.27
  4. Step 4: Simplify right side
    15,631,455.48x = 203,449,177,189,520.50
  5. Step 5: Solve for x
    x = 203,449,177,189,520.50/15,631,455.48
  6. Step 6: Final answer
    x = 13,015,370.03

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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.