Home / 8,389,486.72-11,578,474.56-4,768,359.04

Finding the Fourth Proportional to 8,389,486.72, 11,578,474.56 and 4,768,359.04

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Solution

The fourth proportional to 8,389,486.72, 11,578,474.56 and 4,768,359.04 is: 6,580,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,486.72 : 11,578,474.56 = 4,768,359.04 : x
  2. Step 2: Convert to fraction form
    8,389,486.72/11,578,474.56 = 4,768,359.04/x
  3. Step 3: Cross multiply
    8,389,486.72x = 11,578,474.56 × 4,768,359.04
  4. Step 4: Simplify right side
    8,389,486.72x = 55,210,323,837,586.02
  5. Step 5: Solve for x
    x = 55,210,323,837,586.02/8,389,486.72
  6. Step 6: Final answer
    x = 6,580,894.12

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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.