Home / 36,156,241.63-49,898,690.68-20,478,055.15

Finding the Fourth Proportional to 36,156,241.63, 49,898,690.68 and 20,478,055.15

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Solution

The fourth proportional to 36,156,241.63, 49,898,690.68 and 20,478,055.15 is: 28,261,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156,241.63 : 49,898,690.68 = 20,478,055.15 : x
  2. Step 2: Convert to fraction form
    36,156,241.63/49,898,690.68 = 20,478,055.15/x
  3. Step 3: Cross multiply
    36,156,241.63x = 49,898,690.68 × 20,478,055.15
  4. Step 4: Simplify right side
    36,156,241.63x = 1,021,828,139,369,141.12
  5. Step 5: Solve for x
    x = 1,021,828,139,369,141.12/36,156,241.63
  6. Step 6: Final answer
    x = 28,261,458.97

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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.