Home / 13,238,955.88-19,858,633.04-5,042,051.18

Finding the Fourth Proportional to 13,238,955.88, 19,858,633.04 and 5,042,051.18

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Solution

The fourth proportional to 13,238,955.88, 19,858,633.04 and 5,042,051.18 is: 7,563,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,955.88 : 19,858,633.04 = 5,042,051.18 : x
  2. Step 2: Convert to fraction form
    13,238,955.88/19,858,633.04 = 5,042,051.18/x
  3. Step 3: Cross multiply
    13,238,955.88x = 19,858,633.04 × 5,042,051.18
  4. Step 4: Simplify right side
    13,238,955.88x = 100,128,244,152,518.98
  5. Step 5: Solve for x
    x = 100,128,244,152,518.98/13,238,955.88
  6. Step 6: Final answer
    x = 7,563,152.64

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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.