Home / 15,316,416.40-21,136,654.24-8,440,898.44

Finding the Fourth Proportional to 15,316,416.40, 21,136,654.24 and 8,440,898.44

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Solution

The fourth proportional to 15,316,416.40, 21,136,654.24 and 8,440,898.44 is: 11,648,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,416.40 : 21,136,654.24 = 8,440,898.44 : x
  2. Step 2: Convert to fraction form
    15,316,416.40/21,136,654.24 = 8,440,898.44/x
  3. Step 3: Cross multiply
    15,316,416.40x = 21,136,654.24 × 8,440,898.44
  4. Step 4: Simplify right side
    15,316,416.40x = 178,412,351,801,235.38
  5. Step 5: Solve for x
    x = 178,412,351,801,235.38/15,316,416.40
  6. Step 6: Final answer
    x = 11,648,439.63

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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.