Home / 11,817,015.76-16,307,465.96-6,384,507.76

Finding the Fourth Proportional to 11,817,015.76, 16,307,465.96 and 6,384,507.76

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Solution

The fourth proportional to 11,817,015.76, 16,307,465.96 and 6,384,507.76 is: 8,810,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,015.76 : 16,307,465.96 = 6,384,507.76 : x
  2. Step 2: Convert to fraction form
    11,817,015.76/16,307,465.96 = 6,384,507.76/x
  3. Step 3: Cross multiply
    11,817,015.76x = 16,307,465.96 × 6,384,507.76
  4. Step 4: Simplify right side
    11,817,015.76x = 104,115,142,942,748.47
  5. Step 5: Solve for x
    x = 104,115,142,942,748.47/11,817,015.76
  6. Step 6: Final answer
    x = 8,810,612.18

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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.