Home / 12,699,816.32-17,533,015.79-8,361,513.63

Finding the Fourth Proportional to 12,699,816.32, 17,533,015.79 and 8,361,513.63

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Solution

The fourth proportional to 12,699,816.32, 17,533,015.79 and 8,361,513.63 is: 11,543,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,816.32 : 17,533,015.79 = 8,361,513.63 : x
  2. Step 2: Convert to fraction form
    12,699,816.32/17,533,015.79 = 8,361,513.63/x
  3. Step 3: Cross multiply
    12,699,816.32x = 17,533,015.79 × 8,361,513.63
  4. Step 4: Simplify right side
    12,699,816.32x = 146,602,550,461,282.66
  5. Step 5: Solve for x
    x = 146,602,550,461,282.66/12,699,816.32
  6. Step 6: Final answer
    x = 11,543,674.86

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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.