Home / 8,921,291.70-12,311,469.27-5,053,730.16

Finding the Fourth Proportional to 8,921,291.70, 12,311,469.27 and 5,053,730.16

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Solution

The fourth proportional to 8,921,291.70, 12,311,469.27 and 5,053,730.16 is: 6,974,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,291.70 : 12,311,469.27 = 5,053,730.16 : x
  2. Step 2: Convert to fraction form
    8,921,291.70/12,311,469.27 = 5,053,730.16/x
  3. Step 3: Cross multiply
    8,921,291.70x = 12,311,469.27 × 5,053,730.16
  4. Step 4: Simplify right side
    8,921,291.70x = 62,218,843,563,712.18
  5. Step 5: Solve for x
    x = 62,218,843,563,712.18/8,921,291.70
  6. Step 6: Final answer
    x = 6,974,196.75

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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.