Home / 11,685,716.40-16,127,123.12-6,458,612.11

Finding the Fourth Proportional to 11,685,716.40, 16,127,123.12 and 6,458,612.11

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Solution

The fourth proportional to 11,685,716.40, 16,127,123.12 and 6,458,612.11 is: 8,913,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,716.40 : 16,127,123.12 = 6,458,612.11 : x
  2. Step 2: Convert to fraction form
    11,685,716.40/16,127,123.12 = 6,458,612.11/x
  3. Step 3: Cross multiply
    11,685,716.40x = 16,127,123.12 × 6,458,612.11
  4. Step 4: Simplify right side
    11,685,716.40x = 104,158,832,682,292.98
  5. Step 5: Solve for x
    x = 104,158,832,682,292.98/11,685,716.40
  6. Step 6: Final answer
    x = 8,913,345.93

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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.