Home / 47,509,216.80-71,234,956.80-18,722,173.20

Finding the Fourth Proportional to 47,509,216.80, 71,234,956.80 and 18,722,173.20

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Solution

The fourth proportional to 47,509,216.80, 71,234,956.80 and 18,722,173.20 is: 28,071,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509,216.80 : 71,234,956.80 = 18,722,173.20 : x
  2. Step 2: Convert to fraction form
    47,509,216.80/71,234,956.80 = 18,722,173.20/x
  3. Step 3: Cross multiply
    47,509,216.80x = 71,234,956.80 × 18,722,173.20
  4. Step 4: Simplify right side
    47,509,216.80x = 1,333,673,199,104,117.75
  5. Step 5: Solve for x
    x = 1,333,673,199,104,117.75/47,509,216.80
  6. Step 6: Final answer
    x = 28,071,883.50

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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.