Home / 13,943,900.32-19,243,049.69-7,749,208.08

Finding the Fourth Proportional to 13,943,900.32, 19,243,049.69 and 7,749,208.08

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Solution

The fourth proportional to 13,943,900.32, 19,243,049.69 and 7,749,208.08 is: 10,694,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,900.32 : 19,243,049.69 = 7,749,208.08 : x
  2. Step 2: Convert to fraction form
    13,943,900.32/19,243,049.69 = 7,749,208.08/x
  3. Step 3: Cross multiply
    13,943,900.32x = 19,243,049.69 × 7,749,208.08
  4. Step 4: Simplify right side
    13,943,900.32x = 149,118,396,160,962.50
  5. Step 5: Solve for x
    x = 149,118,396,160,962.50/13,943,900.32
  6. Step 6: Final answer
    x = 10,694,166.82

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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.