Home / 14,856,212.09-20,501,312.82-8,329,821.36

Finding the Fourth Proportional to 14,856,212.09, 20,501,312.82 and 8,329,821.36

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Solution

The fourth proportional to 14,856,212.09, 20,501,312.82 and 8,329,821.36 is: 11,495,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856,212.09 : 20,501,312.82 = 8,329,821.36 : x
  2. Step 2: Convert to fraction form
    14,856,212.09/20,501,312.82 = 8,329,821.36/x
  3. Step 3: Cross multiply
    14,856,212.09x = 20,501,312.82 × 8,329,821.36
  4. Step 4: Simplify right side
    14,856,212.09x = 170,772,273,436,077.84
  5. Step 5: Solve for x
    x = 170,772,273,436,077.84/14,856,212.09
  6. Step 6: Final answer
    x = 11,495,007.78

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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.