Home / 13,929,412.11-19,222,588.65-7,817,840.61

Finding the Fourth Proportional to 13,929,412.11, 19,222,588.65 and 7,817,840.61

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Solution

The fourth proportional to 13,929,412.11, 19,222,588.65 and 7,817,840.61 is: 10,788,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,412.11 : 19,222,588.65 = 7,817,840.61 : x
  2. Step 2: Convert to fraction form
    13,929,412.11/19,222,588.65 = 7,817,840.61/x
  3. Step 3: Cross multiply
    13,929,412.11x = 19,222,588.65 × 7,817,840.61
  4. Step 4: Simplify right side
    13,929,412.11x = 150,279,134,177,295.06
  5. Step 5: Solve for x
    x = 150,279,134,177,295.06/13,929,412.11
  6. Step 6: Final answer
    x = 10,788,620.01

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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.