Home / 21,872,223.62-30,184,585.65-12,579,796.27

Finding the Fourth Proportional to 21,872,223.62, 30,184,585.65 and 12,579,796.27

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Solution

The fourth proportional to 21,872,223.62, 30,184,585.65 and 12,579,796.27 is: 17,360,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,223.62 : 30,184,585.65 = 12,579,796.27 : x
  2. Step 2: Convert to fraction form
    21,872,223.62/30,184,585.65 = 12,579,796.27/x
  3. Step 3: Cross multiply
    21,872,223.62x = 30,184,585.65 × 12,579,796.27
  4. Step 4: Simplify right side
    21,872,223.62x = 379,715,938,094,001.25
  5. Step 5: Solve for x
    x = 379,715,938,094,001.25/21,872,223.62
  6. Step 6: Final answer
    x = 17,360,646.30

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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.