Home / 8,642,991.30-11,927,303.42-4,775,484.97

Finding the Fourth Proportional to 8,642,991.30, 11,927,303.42 and 4,775,484.97

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Solution

The fourth proportional to 8,642,991.30, 11,927,303.42 and 4,775,484.97 is: 6,590,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,991.30 : 11,927,303.42 = 4,775,484.97 : x
  2. Step 2: Convert to fraction form
    8,642,991.30/11,927,303.42 = 4,775,484.97/x
  3. Step 3: Cross multiply
    8,642,991.30x = 11,927,303.42 × 4,775,484.97
  4. Step 4: Simplify right side
    8,642,991.30x = 56,958,658,214,839.59
  5. Step 5: Solve for x
    x = 56,958,658,214,839.59/8,642,991.30
  6. Step 6: Final answer
    x = 6,590,155.68

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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.