Home / 21,225,698.33-29,282,958.81-13,382,631.54

Finding the Fourth Proportional to 21,225,698.33, 29,282,958.81 and 13,382,631.54

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Solution

The fourth proportional to 21,225,698.33, 29,282,958.81 and 13,382,631.54 is: 18,462,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,698.33 : 29,282,958.81 = 13,382,631.54 : x
  2. Step 2: Convert to fraction form
    21,225,698.33/29,282,958.81 = 13,382,631.54/x
  3. Step 3: Cross multiply
    21,225,698.33x = 29,282,958.81 × 13,382,631.54
  4. Step 4: Simplify right side
    21,225,698.33x = 391,883,048,155,226.81
  5. Step 5: Solve for x
    x = 391,883,048,155,226.81/21,225,698.33
  6. Step 6: Final answer
    x = 18,462,669.27

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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.