Home / 12,776,858.40-19,165,287.60-8,241,895.20

Finding the Fourth Proportional to 12,776,858.40, 19,165,287.60 and 8,241,895.20

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Solution

The fourth proportional to 12,776,858.40, 19,165,287.60 and 8,241,895.20 is: 12,362,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,858.40 : 19,165,287.60 = 8,241,895.20 : x
  2. Step 2: Convert to fraction form
    12,776,858.40/19,165,287.60 = 8,241,895.20/x
  3. Step 3: Cross multiply
    12,776,858.40x = 19,165,287.60 × 8,241,895.20
  4. Step 4: Simplify right side
    12,776,858.40x = 157,958,291,877,059.53
  5. Step 5: Solve for x
    x = 157,958,291,877,059.53/12,776,858.40
  6. Step 6: Final answer
    x = 12,362,842.80

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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.