Home / 14,947,663.05-20,627,774.89-8,072,144.51

Finding the Fourth Proportional to 14,947,663.05, 20,627,774.89 and 8,072,144.51

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Solution

The fourth proportional to 14,947,663.05, 20,627,774.89 and 8,072,144.51 is: 11,139,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,663.05 : 20,627,774.89 = 8,072,144.51 : x
  2. Step 2: Convert to fraction form
    14,947,663.05/20,627,774.89 = 8,072,144.51/x
  3. Step 3: Cross multiply
    14,947,663.05x = 20,627,774.89 × 8,072,144.51
  4. Step 4: Simplify right side
    14,947,663.05x = 166,510,379,708,510.12
  5. Step 5: Solve for x
    x = 166,510,379,708,510.12/14,947,663.05
  6. Step 6: Final answer
    x = 11,139,559.35

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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.