Home / 8,691,423.72-11,994,074.10-4,823,978.28

Finding the Fourth Proportional to 8,691,423.72, 11,994,074.10 and 4,823,978.28

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Solution

The fourth proportional to 8,691,423.72, 11,994,074.10 and 4,823,978.28 is: 6,657,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,423.72 : 11,994,074.10 = 4,823,978.28 : x
  2. Step 2: Convert to fraction form
    8,691,423.72/11,994,074.10 = 4,823,978.28/x
  3. Step 3: Cross multiply
    8,691,423.72x = 11,994,074.10 × 4,823,978.28
  4. Step 4: Simplify right side
    8,691,423.72x = 57,859,152,947,110.55
  5. Step 5: Solve for x
    x = 57,859,152,947,110.55/8,691,423.72
  6. Step 6: Final answer
    x = 6,657,039.72

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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.