Home / 30,218,007.42-41,698,855.08-16,989,223.50

Finding the Fourth Proportional to 30,218,007.42, 41,698,855.08 and 16,989,223.50

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Solution

The fourth proportional to 30,218,007.42, 41,698,855.08 and 16,989,223.50 is: 23,444,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218,007.42 : 41,698,855.08 = 16,989,223.50 : x
  2. Step 2: Convert to fraction form
    30,218,007.42/41,698,855.08 = 16,989,223.50/x
  3. Step 3: Cross multiply
    30,218,007.42x = 41,698,855.08 × 16,989,223.50
  4. Step 4: Simplify right side
    30,218,007.42x = 708,431,168,648,230.38
  5. Step 5: Solve for x
    x = 708,431,168,648,230.38/30,218,007.42
  6. Step 6: Final answer
    x = 23,444,006.71

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1.5x scale

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.