Home / 20,732,370.42-28,621,029.33-12,894,409.08

Finding the Fourth Proportional to 20,732,370.42, 28,621,029.33 and 12,894,409.08

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Solution

The fourth proportional to 20,732,370.42, 28,621,029.33 and 12,894,409.08 is: 17,800,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,370.42 : 28,621,029.33 = 12,894,409.08 : x
  2. Step 2: Convert to fraction form
    20,732,370.42/28,621,029.33 = 12,894,409.08/x
  3. Step 3: Cross multiply
    20,732,370.42x = 28,621,029.33 × 12,894,409.08
  4. Step 4: Simplify right side
    20,732,370.42x = 369,051,260,471,698.31
  5. Step 5: Solve for x
    x = 369,051,260,471,698.31/20,732,370.42
  6. Step 6: Final answer
    x = 17,800,726.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.