Home / 12,803,980.91-17,669,953.58-7,298,186.54

Finding the Fourth Proportional to 12,803,980.91, 17,669,953.58 and 7,298,186.54

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Solution

The fourth proportional to 12,803,980.91, 17,669,953.58 and 7,298,186.54 is: 10,071,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,980.91 : 17,669,953.58 = 7,298,186.54 : x
  2. Step 2: Convert to fraction form
    12,803,980.91/17,669,953.58 = 7,298,186.54/x
  3. Step 3: Cross multiply
    12,803,980.91x = 17,669,953.58 × 7,298,186.54
  4. Step 4: Simplify right side
    12,803,980.91x = 128,958,617,379,980.80
  5. Step 5: Solve for x
    x = 128,958,617,379,980.80/12,803,980.91
  6. Step 6: Final answer
    x = 10,071,759.58

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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.