Home / 8,143,848.30-11,235,698.01-5,205,384.17

Finding the Fourth Proportional to 8,143,848.30, 11,235,698.01 and 5,205,384.17

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Solution

The fourth proportional to 8,143,848.30, 11,235,698.01 and 5,205,384.17 is: 7,181,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,848.30 : 11,235,698.01 = 5,205,384.17 : x
  2. Step 2: Convert to fraction form
    8,143,848.30/11,235,698.01 = 5,205,384.17/x
  3. Step 3: Cross multiply
    8,143,848.30x = 11,235,698.01 × 5,205,384.17
  4. Step 4: Simplify right side
    8,143,848.30x = 58,486,124,503,976.01
  5. Step 5: Solve for x
    x = 58,486,124,503,976.01/8,143,848.30
  6. Step 6: Final answer
    x = 7,181,632.36

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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.