Home / 14,947,678.06-20,627,795.41-8,072,159.51

Finding the Fourth Proportional to 14,947,678.06, 20,627,795.41 and 8,072,159.51

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Solution

The fourth proportional to 14,947,678.06, 20,627,795.41 and 8,072,159.51 is: 11,139,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,678.06 : 20,627,795.41 = 8,072,159.51 : x
  2. Step 2: Convert to fraction form
    14,947,678.06/20,627,795.41 = 8,072,159.51/x
  3. Step 3: Cross multiply
    14,947,678.06x = 20,627,795.41 × 8,072,159.51
  4. Step 4: Simplify right side
    14,947,678.06x = 166,510,854,920,554.94
  5. Step 5: Solve for x
    x = 166,510,854,920,554.94/14,947,678.06
  6. Step 6: Final answer
    x = 11,139,579.96

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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.