Home / 13,549,121.58-20,320,428.21-6,255,573.68

Finding the Fourth Proportional to 13,549,121.58, 20,320,428.21 and 6,255,573.68

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Solution

The fourth proportional to 13,549,121.58, 20,320,428.21 and 6,255,573.68 is: 9,381,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549,121.58 : 20,320,428.21 = 6,255,573.68 : x
  2. Step 2: Convert to fraction form
    13,549,121.58/20,320,428.21 = 6,255,573.68/x
  3. Step 3: Cross multiply
    13,549,121.58x = 20,320,428.21 × 6,255,573.68
  4. Step 4: Simplify right side
    13,549,121.58x = 127,115,935,815,509.17
  5. Step 5: Solve for x
    x = 127,115,935,815,509.17/13,549,121.58
  6. Step 6: Final answer
    x = 9,381,858.08

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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.