Home / 28,051,159.74-38,707,650.15-16,288,128.72

Finding the Fourth Proportional to 28,051,159.74, 38,707,650.15 and 16,288,128.72

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Solution

The fourth proportional to 28,051,159.74, 38,707,650.15 and 16,288,128.72 is: 22,475,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,159.74 : 38,707,650.15 = 16,288,128.72 : x
  2. Step 2: Convert to fraction form
    28,051,159.74/38,707,650.15 = 16,288,128.72/x
  3. Step 3: Cross multiply
    28,051,159.74x = 38,707,650.15 × 16,288,128.72
  4. Step 4: Simplify right side
    28,051,159.74x = 630,475,188,091,927.25
  5. Step 5: Solve for x
    x = 630,475,188,091,927.25/28,051,159.74
  6. Step 6: Final answer
    x = 22,475,904.52

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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.