Home / 7,875,876-10,868,644.53-4,391,173.38

Finding the Fourth Proportional to 7,875,876, 10,868,644.53 and 4,391,173.38

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Solution

The fourth proportional to 7,875,876, 10,868,644.53 and 4,391,173.38 is: 6,059,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,876 : 10,868,644.53 = 4,391,173.38 : x
  2. Step 2: Convert to fraction form
    7,875,876/10,868,644.53 = 4,391,173.38/x
  3. Step 3: Cross multiply
    7,875,876x = 10,868,644.53 × 4,391,173.38
  4. Step 4: Simplify right side
    7,875,876x = 47,726,102,536,818.61
  5. Step 5: Solve for x
    x = 47,726,102,536,818.61/7,875,876
  6. Step 6: Final answer
    x = 6,059,783.39

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1.5x scale

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.