Home / 13,789,641.95-19,028,297.65-8,490,495.39

Finding the Fourth Proportional to 13,789,641.95, 19,028,297.65 and 8,490,495.39

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Solution

The fourth proportional to 13,789,641.95, 19,028,297.65 and 8,490,495.39 is: 11,716,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,641.95 : 19,028,297.65 = 8,490,495.39 : x
  2. Step 2: Convert to fraction form
    13,789,641.95/19,028,297.65 = 8,490,495.39/x
  3. Step 3: Cross multiply
    13,789,641.95x = 19,028,297.65 × 8,490,495.39
  4. Step 4: Simplify right side
    13,789,641.95x = 161,559,673,476,872.84
  5. Step 5: Solve for x
    x = 161,559,673,476,872.84/13,789,641.95
  6. Step 6: Final answer
    x = 11,716,016.56

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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.