Home / 30,832,333.05-46,244,899.54-12,387,531.38

Finding the Fourth Proportional to 30,832,333.05, 46,244,899.54 and 12,387,531.38

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Solution

The fourth proportional to 30,832,333.05, 46,244,899.54 and 12,387,531.38 is: 18,579,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832,333.05 : 46,244,899.54 = 12,387,531.38 : x
  2. Step 2: Convert to fraction form
    30,832,333.05/46,244,899.54 = 12,387,531.38/x
  3. Step 3: Cross multiply
    30,832,333.05x = 46,244,899.54 × 12,387,531.38
  4. Step 4: Simplify right side
    30,832,333.05x = 572,860,144,191,405.25
  5. Step 5: Solve for x
    x = 572,860,144,191,405.25/30,832,333.05
  6. Step 6: Final answer
    x = 18,579,850.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.