Home / 13,378,951.77-18,462,643.65-7,796,842.44

Finding the Fourth Proportional to 13,378,951.77, 18,462,643.65 and 7,796,842.44

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Solution

The fourth proportional to 13,378,951.77, 18,462,643.65 and 7,796,842.44 is: 10,759,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,951.77 : 18,462,643.65 = 7,796,842.44 : x
  2. Step 2: Convert to fraction form
    13,378,951.77/18,462,643.65 = 7,796,842.44/x
  3. Step 3: Cross multiply
    13,378,951.77x = 18,462,643.65 × 7,796,842.44
  4. Step 4: Simplify right side
    13,378,951.77x = 143,950,323,564,916.50
  5. Step 5: Solve for x
    x = 143,950,323,564,916.50/13,378,951.77
  6. Step 6: Final answer
    x = 10,759,462.03

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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.