Home / 21,872,225.01-30,184,587.56-12,579,797.66

Finding the Fourth Proportional to 21,872,225.01, 30,184,587.56 and 12,579,797.66

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Solution

The fourth proportional to 21,872,225.01, 30,184,587.56 and 12,579,797.66 is: 17,360,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,225.01 : 30,184,587.56 = 12,579,797.66 : x
  2. Step 2: Convert to fraction form
    21,872,225.01/30,184,587.56 = 12,579,797.66/x
  3. Step 3: Cross multiply
    21,872,225.01x = 30,184,587.56 × 12,579,797.66
  4. Step 4: Simplify right side
    21,872,225.01x = 379,716,003,955,353.12
  5. Step 5: Solve for x
    x = 379,716,003,955,353.12/21,872,225.01
  6. Step 6: Final answer
    x = 17,360,648.21

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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.