Home / 26,621,925.21-39,827,818.80-20,163,604.86

Finding the Fourth Proportional to 26,621,925.21, 39,827,818.80 and 20,163,604.86

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Solution

The fourth proportional to 26,621,925.21, 39,827,818.80 and 20,163,604.86 is: 30,165,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621,925.21 : 39,827,818.80 = 20,163,604.86 : x
  2. Step 2: Convert to fraction form
    26,621,925.21/39,827,818.80 = 20,163,604.86/x
  3. Step 3: Cross multiply
    26,621,925.21x = 39,827,818.80 × 20,163,604.86
  4. Step 4: Simplify right side
    26,621,925.21x = 803,072,400,718,879.25
  5. Step 5: Solve for x
    x = 803,072,400,718,879.25/26,621,925.21
  6. Step 6: Final answer
    x = 30,165,827.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.