Home / 22,107,952.62-30,509,095.65-12,821,028.93

Finding the Fourth Proportional to 22,107,952.62, 30,509,095.65 and 12,821,028.93

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Solution

The fourth proportional to 22,107,952.62, 30,509,095.65 and 12,821,028.93 is: 17,693,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107,952.62 : 30,509,095.65 = 12,821,028.93 : x
  2. Step 2: Convert to fraction form
    22,107,952.62/30,509,095.65 = 12,821,028.93/x
  3. Step 3: Cross multiply
    22,107,952.62x = 30,509,095.65 × 12,821,028.93
  4. Step 4: Simplify right side
    22,107,952.62x = 391,157,997,956,787.12
  5. Step 5: Solve for x
    x = 391,157,997,956,787.12/22,107,952.62
  6. Step 6: Final answer
    x = 17,693,090.11

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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.