Home / 30,218,009.42-41,698,857.84-16,989,225.50

Finding the Fourth Proportional to 30,218,009.42, 41,698,857.84 and 16,989,225.50

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Solution

The fourth proportional to 30,218,009.42, 41,698,857.84 and 16,989,225.50 is: 23,444,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218,009.42 : 41,698,857.84 = 16,989,225.50 : x
  2. Step 2: Convert to fraction form
    30,218,009.42/41,698,857.84 = 16,989,225.50/x
  3. Step 3: Cross multiply
    30,218,009.42x = 41,698,857.84 × 16,989,225.50
  4. Step 4: Simplify right side
    30,218,009.42x = 708,431,298,936,203
  5. Step 5: Solve for x
    x = 708,431,298,936,203/30,218,009.42
  6. Step 6: Final answer
    x = 23,444,009.47

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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.