Home / 8,430,323.64-11,634,059.21-5,168,936.66

Finding the Fourth Proportional to 8,430,323.64, 11,634,059.21 and 5,168,936.66

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Solution

The fourth proportional to 8,430,323.64, 11,634,059.21 and 5,168,936.66 is: 7,133,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,323.64 : 11,634,059.21 = 5,168,936.66 : x
  2. Step 2: Convert to fraction form
    8,430,323.64/11,634,059.21 = 5,168,936.66/x
  3. Step 3: Cross multiply
    8,430,323.64x = 11,634,059.21 × 5,168,936.66
  4. Step 4: Simplify right side
    8,430,323.64x = 60,135,715,071,164.66
  5. Step 5: Solve for x
    x = 60,135,715,071,164.66/8,430,323.64
  6. Step 6: Final answer
    x = 7,133,262.93

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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.