Home / 21,872,239.38-30,184,607.43-12,579,812.06

Finding the Fourth Proportional to 21,872,239.38, 30,184,607.43 and 12,579,812.06

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Solution

The fourth proportional to 21,872,239.38, 30,184,607.43 and 12,579,812.06 is: 17,360,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,239.38 : 30,184,607.43 = 12,579,812.06 : x
  2. Step 2: Convert to fraction form
    21,872,239.38/30,184,607.43 = 12,579,812.06/x
  3. Step 3: Cross multiply
    21,872,239.38x = 30,184,607.43 × 12,579,812.06
  4. Step 4: Simplify right side
    21,872,239.38x = 379,716,688,423,356.56
  5. Step 5: Solve for x
    x = 379,716,688,423,356.56/21,872,239.38
  6. Step 6: Final answer
    x = 17,360,668.10

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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.