Home / 8,282,963.34-11,424,644.80-7,178,396.51

Finding the Fourth Proportional to 8,282,963.34, 11,424,644.80 and 7,178,396.51

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Solution

The fourth proportional to 8,282,963.34, 11,424,644.80 and 7,178,396.51 is: 9,901,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282,963.34 : 11,424,644.80 = 7,178,396.51 : x
  2. Step 2: Convert to fraction form
    8,282,963.34/11,424,644.80 = 7,178,396.51/x
  3. Step 3: Cross multiply
    8,282,963.34x = 11,424,644.80 × 7,178,396.51
  4. Step 4: Simplify right side
    8,282,963.34x = 82,010,630,370,925.27
  5. Step 5: Solve for x
    x = 82,010,630,370,925.27/8,282,963.34
  6. Step 6: Final answer
    x = 9,901,121.98

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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.