Home / 19,666,626.80-27,130,298.56-13,141,858.10

Finding the Fourth Proportional to 19,666,626.80, 27,130,298.56 and 13,141,858.10

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Solution

The fourth proportional to 19,666,626.80, 27,130,298.56 and 13,141,858.10 is: 18,129,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,626.80 : 27,130,298.56 = 13,141,858.10 : x
  2. Step 2: Convert to fraction form
    19,666,626.80/27,130,298.56 = 13,141,858.10/x
  3. Step 3: Cross multiply
    19,666,626.80x = 27,130,298.56 × 13,141,858.10
  4. Step 4: Simplify right side
    19,666,626.80x = 356,542,533,717,648.25
  5. Step 5: Solve for x
    x = 356,542,533,717,648.25/19,666,626.80
  6. Step 6: Final answer
    x = 18,129,318.13

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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.