Home / 51,426,348.69-77,139,311.05-18,629,238.06

Finding the Fourth Proportional to 51,426,348.69, 77,139,311.05 and 18,629,238.06

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Solution

The fourth proportional to 51,426,348.69, 77,139,311.05 and 18,629,238.06 is: 27,943,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426,348.69 : 77,139,311.05 = 18,629,238.06 : x
  2. Step 2: Convert to fraction form
    51,426,348.69/77,139,311.05 = 18,629,238.06/x
  3. Step 3: Cross multiply
    51,426,348.69x = 77,139,311.05 × 18,629,238.06
  4. Step 4: Simplify right side
    51,426,348.69x = 1,437,046,589,334,838.50
  5. Step 5: Solve for x
    x = 1,437,046,589,334,838.50/51,426,348.69
  6. Step 6: Final answer
    x = 27,943,780.30

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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.