Home / 21,280,303.72-31,924,942.16-6,902,252.92

Finding the Fourth Proportional to 21,280,303.72, 31,924,942.16 and 6,902,252.92

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Solution

The fourth proportional to 21,280,303.72, 31,924,942.16 and 6,902,252.92 is: 10,354,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,303.72 : 31,924,942.16 = 6,902,252.92 : x
  2. Step 2: Convert to fraction form
    21,280,303.72/31,924,942.16 = 6,902,252.92/x
  3. Step 3: Cross multiply
    21,280,303.72x = 31,924,942.16 × 6,902,252.92
  4. Step 4: Simplify right side
    21,280,303.72x = 220,354,025,244,691.09
  5. Step 5: Solve for x
    x = 220,354,025,244,691.09/21,280,303.72
  6. Step 6: Final answer
    x = 10,354,834.60

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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.