Home / 8,678,251.54-13,017,792.49-7,159,117.60

Finding the Fourth Proportional to 8,678,251.54, 13,017,792.49 and 7,159,117.60

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Solution

The fourth proportional to 8,678,251.54, 13,017,792.49 and 7,159,117.60 is: 10,739,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,251.54 : 13,017,792.49 = 7,159,117.60 : x
  2. Step 2: Convert to fraction form
    8,678,251.54/13,017,792.49 = 7,159,117.60/x
  3. Step 3: Cross multiply
    8,678,251.54x = 13,017,792.49 × 7,159,117.60
  4. Step 4: Simplify right side
    8,678,251.54x = 93,195,907,326,681.28
  5. Step 5: Solve for x
    x = 93,195,907,326,681.28/8,678,251.54
  6. Step 6: Final answer
    x = 10,739,018.90

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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.