Home / 12,329,579.16-18,501,675-6,869,244.32

Finding the Fourth Proportional to 12,329,579.16, 18,501,675 and 6,869,244.32

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Solution

The fourth proportional to 12,329,579.16, 18,501,675 and 6,869,244.32 is: 10,307,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329,579.16 : 18,501,675 = 6,869,244.32 : x
  2. Step 2: Convert to fraction form
    12,329,579.16/18,501,675 = 6,869,244.32/x
  3. Step 3: Cross multiply
    12,329,579.16x = 18,501,675 × 6,869,244.32
  4. Step 4: Simplify right side
    12,329,579.16x = 127,092,525,904,236
  5. Step 5: Solve for x
    x = 127,092,525,904,236/12,329,579.16
  6. Step 6: Final answer
    x = 10,307,937.06

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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.