Home / 54,219,907.20-81,329,342.40-13,279,526.40

Finding the Fourth Proportional to 54,219,907.20, 81,329,342.40 and 13,279,526.40

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Solution

The fourth proportional to 54,219,907.20, 81,329,342.40 and 13,279,526.40 is: 19,919,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,907.20 : 81,329,342.40 = 13,279,526.40 : x
  2. Step 2: Convert to fraction form
    54,219,907.20/81,329,342.40 = 13,279,526.40/x
  3. Step 3: Cross multiply
    54,219,907.20x = 81,329,342.40 × 13,279,526.40
  4. Step 4: Simplify right side
    54,219,907.20x = 1,080,015,149,495,439.50
  5. Step 5: Solve for x
    x = 1,080,015,149,495,439.50/54,219,907.20
  6. Step 6: Final answer
    x = 19,919,162.63

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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.