Home / 21,872,224.01-30,184,586.18-12,579,796.66

Finding the Fourth Proportional to 21,872,224.01, 30,184,586.18 and 12,579,796.66

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Solution

The fourth proportional to 21,872,224.01, 30,184,586.18 and 12,579,796.66 is: 17,360,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,224.01 : 30,184,586.18 = 12,579,796.66 : x
  2. Step 2: Convert to fraction form
    21,872,224.01/30,184,586.18 = 12,579,796.66/x
  3. Step 3: Cross multiply
    21,872,224.01x = 30,184,586.18 × 12,579,796.66
  4. Step 4: Simplify right side
    21,872,224.01x = 379,715,956,410,646.19
  5. Step 5: Solve for x
    x = 379,715,956,410,646.19/21,872,224.01
  6. Step 6: Final answer
    x = 17,360,646.83

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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.