Home / 23,109,671.52-31,890,956.04-12,796,172.64

Finding the Fourth Proportional to 23,109,671.52, 31,890,956.04 and 12,796,172.64

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Solution

The fourth proportional to 23,109,671.52, 31,890,956.04 and 12,796,172.64 is: 17,658,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109,671.52 : 31,890,956.04 = 12,796,172.64 : x
  2. Step 2: Convert to fraction form
    23,109,671.52/31,890,956.04 = 12,796,172.64/x
  3. Step 3: Cross multiply
    23,109,671.52x = 31,890,956.04 × 12,796,172.64
  4. Step 4: Simplify right side
    23,109,671.52x = 408,082,179,142,490.75
  5. Step 5: Solve for x
    x = 408,082,179,142,490.75/23,109,671.52
  6. Step 6: Final answer
    x = 17,658,501.93

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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.