Home / 15,373,141.65-21,214,023.53-8,497,213.65

Finding the Fourth Proportional to 15,373,141.65, 21,214,023.53 and 8,497,213.65

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Solution

The fourth proportional to 15,373,141.65, 21,214,023.53 and 8,497,213.65 is: 11,725,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,141.65 : 21,214,023.53 = 8,497,213.65 : x
  2. Step 2: Convert to fraction form
    15,373,141.65/21,214,023.53 = 8,497,213.65/x
  3. Step 3: Cross multiply
    15,373,141.65x = 21,214,023.53 × 8,497,213.65
  4. Step 4: Simplify right side
    15,373,141.65x = 180,260,090,268,051.12
  5. Step 5: Solve for x
    x = 180,260,090,268,051.12/15,373,141.65
  6. Step 6: Final answer
    x = 11,725,650.77

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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.