Home / 30,213,438.12-41,694,551.10-16,462,402.38

Finding the Fourth Proportional to 30,213,438.12, 41,694,551.10 and 16,462,402.38

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Solution

The fourth proportional to 30,213,438.12, 41,694,551.10 and 16,462,402.38 is: 22,718,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,438.12 : 41,694,551.10 = 16,462,402.38 : x
  2. Step 2: Convert to fraction form
    30,213,438.12/41,694,551.10 = 16,462,402.38/x
  3. Step 3: Cross multiply
    30,213,438.12x = 41,694,551.10 × 16,462,402.38
  4. Step 4: Simplify right side
    30,213,438.12x = 686,392,477,261,671.62
  5. Step 5: Solve for x
    x = 686,392,477,261,671.62/30,213,438.12
  6. Step 6: Final answer
    x = 22,718,118.82

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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.