Home / 18,477,786.51-27,724,782.06-8,769,411.27

Finding the Fourth Proportional to 18,477,786.51, 27,724,782.06 and 8,769,411.27

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Solution

The fourth proportional to 18,477,786.51, 27,724,782.06 and 8,769,411.27 is: 13,157,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,786.51 : 27,724,782.06 = 8,769,411.27 : x
  2. Step 2: Convert to fraction form
    18,477,786.51/27,724,782.06 = 8,769,411.27/x
  3. Step 3: Cross multiply
    18,477,786.51x = 27,724,782.06 × 8,769,411.27
  4. Step 4: Simplify right side
    18,477,786.51x = 243,130,016,255,257.78
  5. Step 5: Solve for x
    x = 243,130,016,255,257.78/18,477,786.51
  6. Step 6: Final answer
    x = 13,157,962.19

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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.