Home / 28,928,138.80-43,392,208.20-7,362,698.80

Finding the Fourth Proportional to 28,928,138.80, 43,392,208.20 and 7,362,698.80

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Solution

The fourth proportional to 28,928,138.80, 43,392,208.20 and 7,362,698.80 is: 11,044,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,138.80 : 43,392,208.20 = 7,362,698.80 : x
  2. Step 2: Convert to fraction form
    28,928,138.80/43,392,208.20 = 7,362,698.80/x
  3. Step 3: Cross multiply
    28,928,138.80x = 43,392,208.20 × 7,362,698.80
  4. Step 4: Simplify right side
    28,928,138.80x = 319,483,759,243,490.19
  5. Step 5: Solve for x
    x = 319,483,759,243,490.19/28,928,138.80
  6. Step 6: Final answer
    x = 11,044,048.20

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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.