Home / 8,172,744.06-11,278,386.81-4,736,978

Finding the Fourth Proportional to 8,172,744.06, 11,278,386.81 and 4,736,978

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Solution

The fourth proportional to 8,172,744.06, 11,278,386.81 and 4,736,978 is: 6,537,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,744.06 : 11,278,386.81 = 4,736,978 : x
  2. Step 2: Convert to fraction form
    8,172,744.06/11,278,386.81 = 4,736,978/x
  3. Step 3: Cross multiply
    8,172,744.06x = 11,278,386.81 × 4,736,978
  4. Step 4: Simplify right side
    8,172,744.06x = 53,425,470,194,460.18
  5. Step 5: Solve for x
    x = 53,425,470,194,460.18/8,172,744.06
  6. Step 6: Final answer
    x = 6,537,029.64

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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.