Home / 51,426,352.70-77,139,317.04-18,629,242.06

Finding the Fourth Proportional to 51,426,352.70, 77,139,317.04 and 18,629,242.06

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Solution

The fourth proportional to 51,426,352.70, 77,139,317.04 and 18,629,242.06 is: 27,943,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426,352.70 : 77,139,317.04 = 18,629,242.06 : x
  2. Step 2: Convert to fraction form
    51,426,352.70/77,139,317.04 = 18,629,242.06/x
  3. Step 3: Cross multiply
    51,426,352.70x = 77,139,317.04 × 18,629,242.06
  4. Step 4: Simplify right side
    51,426,352.70x = 1,437,047,009,481,242.75
  5. Step 5: Solve for x
    x = 1,437,047,009,481,242.75/51,426,352.70
  6. Step 6: Final answer
    x = 27,943,786.29

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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.