Home / 15,283,292.91-21,091,118.36-8,756,791.35

Finding the Fourth Proportional to 15,283,292.91, 21,091,118.36 and 8,756,791.35

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Solution

The fourth proportional to 15,283,292.91, 21,091,118.36 and 8,756,791.35 is: 12,084,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,292.91 : 21,091,118.36 = 8,756,791.35 : x
  2. Step 2: Convert to fraction form
    15,283,292.91/21,091,118.36 = 8,756,791.35/x
  3. Step 3: Cross multiply
    15,283,292.91x = 21,091,118.36 × 8,756,791.35
  4. Step 4: Simplify right side
    15,283,292.91x = 184,690,522,772,890.22
  5. Step 5: Solve for x
    x = 184,690,522,772,890.22/15,283,292.91
  6. Step 6: Final answer
    x = 12,084,471.84

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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.