Home / 8,574,193.78-12,844,474.74-4,972,393.72

Finding the Fourth Proportional to 8,574,193.78, 12,844,474.74 and 4,972,393.72

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Solution

The fourth proportional to 8,574,193.78, 12,844,474.74 and 4,972,393.72 is: 7,448,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574,193.78 : 12,844,474.74 = 4,972,393.72 : x
  2. Step 2: Convert to fraction form
    8,574,193.78/12,844,474.74 = 4,972,393.72/x
  3. Step 3: Cross multiply
    8,574,193.78x = 12,844,474.74 × 4,972,393.72
  4. Step 4: Simplify right side
    8,574,193.78x = 63,867,785,533,874.63
  5. Step 5: Solve for x
    x = 63,867,785,533,874.63/8,574,193.78
  6. Step 6: Final answer
    x = 7,448,838.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.