Home / 15,469,724.80-23,188,840.80-9,076,686.40

Finding the Fourth Proportional to 15,469,724.80, 23,188,840.80 and 9,076,686.40

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Solution

The fourth proportional to 15,469,724.80, 23,188,840.80 and 9,076,686.40 is: 13,605,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,724.80 : 23,188,840.80 = 9,076,686.40 : x
  2. Step 2: Convert to fraction form
    15,469,724.80/23,188,840.80 = 9,076,686.40/x
  3. Step 3: Cross multiply
    15,469,724.80x = 23,188,840.80 × 9,076,686.40
  4. Step 4: Simplify right side
    15,469,724.80x = 210,477,835,921,125.12
  5. Step 5: Solve for x
    x = 210,477,835,921,125.12/15,469,724.80
  6. Step 6: Final answer
    x = 13,605,790.58

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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.