Home / 13,785,928.16-20,679,669.82-4,201,619.36

Finding the Fourth Proportional to 13,785,928.16, 20,679,669.82 and 4,201,619.36

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Solution

The fourth proportional to 13,785,928.16, 20,679,669.82 and 4,201,619.36 is: 6,302,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,928.16 : 20,679,669.82 = 4,201,619.36 : x
  2. Step 2: Convert to fraction form
    13,785,928.16/20,679,669.82 = 4,201,619.36/x
  3. Step 3: Cross multiply
    13,785,928.16x = 20,679,669.82 × 4,201,619.36
  4. Step 4: Simplify right side
    13,785,928.16x = 86,888,101,074,119.72
  5. Step 5: Solve for x
    x = 86,888,101,074,119.72/13,785,928.16
  6. Step 6: Final answer
    x = 6,302,666.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.