Home / 28,749,728.26-39,678,104.10-16,362,833.50

Finding the Fourth Proportional to 28,749,728.26, 39,678,104.10 and 16,362,833.50

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Solution

The fourth proportional to 28,749,728.26, 39,678,104.10 and 16,362,833.50 is: 22,582,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,728.26 : 39,678,104.10 = 16,362,833.50 : x
  2. Step 2: Convert to fraction form
    28,749,728.26/39,678,104.10 = 16,362,833.50/x
  3. Step 3: Cross multiply
    28,749,728.26x = 39,678,104.10 × 16,362,833.50
  4. Step 4: Simplify right side
    28,749,728.26x = 649,246,210,983,967.38
  5. Step 5: Solve for x
    x = 649,246,210,983,967.38/28,749,728.26
  6. Step 6: Final answer
    x = 22,582,690.35

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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.