Home / 15,551,069.74-21,460,485.41-8,675,551.78

Finding the Fourth Proportional to 15,551,069.74, 21,460,485.41 and 8,675,551.78

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Solution

The fourth proportional to 15,551,069.74, 21,460,485.41 and 8,675,551.78 is: 11,972,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,069.74 : 21,460,485.41 = 8,675,551.78 : x
  2. Step 2: Convert to fraction form
    15,551,069.74/21,460,485.41 = 8,675,551.78/x
  3. Step 3: Cross multiply
    15,551,069.74x = 21,460,485.41 × 8,675,551.78
  4. Step 4: Simplify right side
    15,551,069.74x = 186,181,552,398,389.53
  5. Step 5: Solve for x
    x = 186,181,552,398,389.53/15,551,069.74
  6. Step 6: Final answer
    x = 11,972,266.57

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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.