Home / 28,988,629.03-43,481,808.69-9,819,386.08

Finding the Fourth Proportional to 28,988,629.03, 43,481,808.69 and 9,819,386.08

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Solution

The fourth proportional to 28,988,629.03, 43,481,808.69 and 9,819,386.08 is: 14,728,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,629.03 : 43,481,808.69 = 9,819,386.08 : x
  2. Step 2: Convert to fraction form
    28,988,629.03/43,481,808.69 = 9,819,386.08/x
  3. Step 3: Cross multiply
    28,988,629.03x = 43,481,808.69 × 9,819,386.08
  4. Step 4: Simplify right side
    28,988,629.03x = 426,964,666,875,104.50
  5. Step 5: Solve for x
    x = 426,964,666,875,104.50/28,988,629.03
  6. Step 6: Final answer
    x = 14,728,694.71

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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.