Home / 27,857,897.40-41,786,846.10-8,688,623.70

Finding the Fourth Proportional to 27,857,897.40, 41,786,846.10 and 8,688,623.70

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Solution

The fourth proportional to 27,857,897.40, 41,786,846.10 and 8,688,623.70 is: 13,032,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857,897.40 : 41,786,846.10 = 8,688,623.70 : x
  2. Step 2: Convert to fraction form
    27,857,897.40/41,786,846.10 = 8,688,623.70/x
  3. Step 3: Cross multiply
    27,857,897.40x = 41,786,846.10 × 8,688,623.70
  4. Step 4: Simplify right side
    27,857,897.40x = 363,070,181,372,712.56
  5. Step 5: Solve for x
    x = 363,070,181,372,712.56/27,857,897.40
  6. Step 6: Final answer
    x = 13,032,935.55

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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.