Home / 19,765,608.91-27,276,818.86-11,388,348.81

Finding the Fourth Proportional to 19,765,608.91, 27,276,818.86 and 11,388,348.81

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Solution

The fourth proportional to 19,765,608.91, 27,276,818.86 and 11,388,348.81 is: 15,716,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,608.91 : 27,276,818.86 = 11,388,348.81 : x
  2. Step 2: Convert to fraction form
    19,765,608.91/27,276,818.86 = 11,388,348.81/x
  3. Step 3: Cross multiply
    19,765,608.91x = 27,276,818.86 × 11,388,348.81
  4. Step 4: Simplify right side
    19,765,608.91x = 310,637,927,516,813.94
  5. Step 5: Solve for x
    x = 310,637,927,516,813.94/19,765,608.91
  6. Step 6: Final answer
    x = 15,716,081.86

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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.