Home / 19,991,166.54-29,980,544.49-7,210,010.58

Finding the Fourth Proportional to 19,991,166.54, 29,980,544.49 and 7,210,010.58

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Solution

The fourth proportional to 19,991,166.54, 29,980,544.49 and 7,210,010.58 is: 10,812,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,166.54 : 29,980,544.49 = 7,210,010.58 : x
  2. Step 2: Convert to fraction form
    19,991,166.54/29,980,544.49 = 7,210,010.58/x
  3. Step 3: Cross multiply
    19,991,166.54x = 29,980,544.49 × 7,210,010.58
  4. Step 4: Simplify right side
    19,991,166.54x = 216,160,042,967,060.69
  5. Step 5: Solve for x
    x = 216,160,042,967,060.69/19,991,166.54
  6. Step 6: Final answer
    x = 10,812,777.86

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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.