Home / 21,667,191-29,900,727.90-12,009,399

Finding the Fourth Proportional to 21,667,191, 29,900,727.90 and 12,009,399

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Solution

The fourth proportional to 21,667,191, 29,900,727.90 and 12,009,399 is: 16,572,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667,191 : 29,900,727.90 = 12,009,399 : x
  2. Step 2: Convert to fraction form
    21,667,191/29,900,727.90 = 12,009,399/x
  3. Step 3: Cross multiply
    21,667,191x = 29,900,727.90 × 12,009,399
  4. Step 4: Simplify right side
    21,667,191x = 359,089,771,741,532.06
  5. Step 5: Solve for x
    x = 359,089,771,741,532.06/21,667,191
  6. Step 6: Final answer
    x = 16,572,973.01

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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.