Home / 13,943,901.83-19,243,051.77-7,749,209.58

Finding the Fourth Proportional to 13,943,901.83, 19,243,051.77 and 7,749,209.58

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Solution

The fourth proportional to 13,943,901.83, 19,243,051.77 and 7,749,209.58 is: 10,694,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,901.83 : 19,243,051.77 = 7,749,209.58 : x
  2. Step 2: Convert to fraction form
    13,943,901.83/19,243,051.77 = 7,749,209.58/x
  3. Step 3: Cross multiply
    13,943,901.83x = 19,243,051.77 × 7,749,209.58
  4. Step 4: Simplify right side
    13,943,901.83x = 149,118,441,124,519.97
  5. Step 5: Solve for x
    x = 149,118,441,124,519.97/13,943,901.83
  6. Step 6: Final answer
    x = 10,694,168.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.