Home / 15,243,439.52-21,035,174.72-9,048,751.09

Finding the Fourth Proportional to 15,243,439.52, 21,035,174.72 and 9,048,751.09

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Solution

The fourth proportional to 15,243,439.52, 21,035,174.72 and 9,048,751.09 is: 12,486,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,439.52 : 21,035,174.72 = 9,048,751.09 : x
  2. Step 2: Convert to fraction form
    15,243,439.52/21,035,174.72 = 9,048,751.09/x
  3. Step 3: Cross multiply
    15,243,439.52x = 21,035,174.72 × 9,048,751.09
  4. Step 4: Simplify right side
    15,243,439.52x = 190,342,060,078,108.75
  5. Step 5: Solve for x
    x = 190,342,060,078,108.75/15,243,439.52
  6. Step 6: Final answer
    x = 12,486,818.33

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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.