Home / 8,181,089.82-11,289,938.05-4,509,925.84

Finding the Fourth Proportional to 8,181,089.82, 11,289,938.05 and 4,509,925.84

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Solution

The fourth proportional to 8,181,089.82, 11,289,938.05 and 4,509,925.84 is: 6,223,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,089.82 : 11,289,938.05 = 4,509,925.84 : x
  2. Step 2: Convert to fraction form
    8,181,089.82/11,289,938.05 = 4,509,925.84/x
  3. Step 3: Cross multiply
    8,181,089.82x = 11,289,938.05 × 4,509,925.84
  4. Step 4: Simplify right side
    8,181,089.82x = 50,916,783,363,444.04
  5. Step 5: Solve for x
    x = 50,916,783,363,444.04/8,181,089.82
  6. Step 6: Final answer
    x = 6,223,716.46

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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.