Home / 28,051,161.74-38,707,652.91-16,288,130.72

Finding the Fourth Proportional to 28,051,161.74, 38,707,652.91 and 16,288,130.72

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Solution

The fourth proportional to 28,051,161.74, 38,707,652.91 and 16,288,130.72 is: 22,475,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,161.74 : 38,707,652.91 = 16,288,130.72 : x
  2. Step 2: Convert to fraction form
    28,051,161.74/38,707,652.91 = 16,288,130.72/x
  3. Step 3: Cross multiply
    28,051,161.74x = 38,707,652.91 × 16,288,130.72
  4. Step 4: Simplify right side
    28,051,161.74x = 630,475,310,462,468.38
  5. Step 5: Solve for x
    x = 630,475,310,462,468.38/28,051,161.74
  6. Step 6: Final answer
    x = 22,475,907.28

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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.