Home / 12,468,036.60-18,670,562.10-8,185,015.80

Finding the Fourth Proportional to 12,468,036.60, 18,670,562.10 and 8,185,015.80

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Solution

The fourth proportional to 12,468,036.60, 18,670,562.10 and 8,185,015.80 is: 12,256,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,036.60 : 18,670,562.10 = 8,185,015.80 : x
  2. Step 2: Convert to fraction form
    12,468,036.60/18,670,562.10 = 8,185,015.80/x
  3. Step 3: Cross multiply
    12,468,036.60x = 18,670,562.10 × 8,185,015.80
  4. Step 4: Simplify right side
    12,468,036.60x = 152,818,845,783,381.19
  5. Step 5: Solve for x
    x = 152,818,845,783,381.19/12,468,036.60
  6. Step 6: Final answer
    x = 12,256,849.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.