Home / 8,641,625.58-11,927,145.63-5,155,219.36

Finding the Fourth Proportional to 8,641,625.58, 11,927,145.63 and 5,155,219.36

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Solution

The fourth proportional to 8,641,625.58, 11,927,145.63 and 5,155,219.36 is: 7,115,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641,625.58 : 11,927,145.63 = 5,155,219.36 : x
  2. Step 2: Convert to fraction form
    8,641,625.58/11,927,145.63 = 5,155,219.36/x
  3. Step 3: Cross multiply
    8,641,625.58x = 11,927,145.63 × 5,155,219.36
  4. Step 4: Simplify right side
    8,641,625.58x = 61,487,052,061,315.41
  5. Step 5: Solve for x
    x = 61,487,052,061,315.41/8,641,625.58
  6. Step 6: Final answer
    x = 7,115,218.25

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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.