Home / 44,290,843.20-66,436,264.80-12,378,139.20

Finding the Fourth Proportional to 44,290,843.20, 66,436,264.80 and 12,378,139.20

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Solution

The fourth proportional to 44,290,843.20, 66,436,264.80 and 12,378,139.20 is: 18,567,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,290,843.20 : 66,436,264.80 = 12,378,139.20 : x
  2. Step 2: Convert to fraction form
    44,290,843.20/66,436,264.80 = 12,378,139.20/x
  3. Step 3: Cross multiply
    44,290,843.20x = 66,436,264.80 × 12,378,139.20
  4. Step 4: Simplify right side
    44,290,843.20x = 822,357,333,622,460.12
  5. Step 5: Solve for x
    x = 822,357,333,622,460.12/44,290,843.20
  6. Step 6: Final answer
    x = 18,567,208.80

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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.