Home / 19,725,969.18-27,222,678.19-11,024,141.55

Finding the Fourth Proportional to 19,725,969.18, 27,222,678.19 and 11,024,141.55

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Solution

The fourth proportional to 19,725,969.18, 27,222,678.19 and 11,024,141.55 is: 15,213,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,969.18 : 27,222,678.19 = 11,024,141.55 : x
  2. Step 2: Convert to fraction form
    19,725,969.18/27,222,678.19 = 11,024,141.55/x
  3. Step 3: Cross multiply
    19,725,969.18x = 27,222,678.19 × 11,024,141.55
  4. Step 4: Simplify right side
    19,725,969.18x = 300,106,657,736,657.81
  5. Step 5: Solve for x
    x = 300,106,657,736,657.81/19,725,969.18
  6. Step 6: Final answer
    x = 15,213,785.19

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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.