Home / 14,997,389.65-20,696,294.68-8,121,714.37

Finding the Fourth Proportional to 14,997,389.65, 20,696,294.68 and 8,121,714.37

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Solution

The fourth proportional to 14,997,389.65, 20,696,294.68 and 8,121,714.37 is: 11,207,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,389.65 : 20,696,294.68 = 8,121,714.37 : x
  2. Step 2: Convert to fraction form
    14,997,389.65/20,696,294.68 = 8,121,714.37/x
  3. Step 3: Cross multiply
    14,997,389.65x = 20,696,294.68 × 8,121,714.37
  4. Step 4: Simplify right side
    14,997,389.65x = 168,089,393,908,310.56
  5. Step 5: Solve for x
    x = 168,089,393,908,310.56/14,997,389.65
  6. Step 6: Final answer
    x = 11,207,910.03

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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.