Home / 49,260,670.47-67,990,516.83-28,646,008.47

Finding the Fourth Proportional to 49,260,670.47, 67,990,516.83 and 28,646,008.47

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Solution

The fourth proportional to 49,260,670.47, 67,990,516.83 and 28,646,008.47 is: 39,537,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,260,670.47 : 67,990,516.83 = 28,646,008.47 : x
  2. Step 2: Convert to fraction form
    49,260,670.47/67,990,516.83 = 28,646,008.47/x
  3. Step 3: Cross multiply
    49,260,670.47x = 67,990,516.83 × 28,646,008.47
  4. Step 4: Simplify right side
    49,260,670.47x = 1,947,656,920,991,857.50
  5. Step 5: Solve for x
    x = 1,947,656,920,991,857.50/49,260,670.47
  6. Step 6: Final answer
    x = 39,537,767.20

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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.