Home / 15,582,984.86-21,504,465.42-8,707,466.72

Finding the Fourth Proportional to 15,582,984.86, 21,504,465.42 and 8,707,466.72

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Solution

The fourth proportional to 15,582,984.86, 21,504,465.42 and 8,707,466.72 is: 12,016,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,984.86 : 21,504,465.42 = 8,707,466.72 : x
  2. Step 2: Convert to fraction form
    15,582,984.86/21,504,465.42 = 8,707,466.72/x
  3. Step 3: Cross multiply
    15,582,984.86x = 21,504,465.42 × 8,707,466.72
  4. Step 4: Simplify right side
    15,582,984.86x = 187,249,416,976,040.84
  5. Step 5: Solve for x
    x = 187,249,416,976,040.84/15,582,984.86
  6. Step 6: Final answer
    x = 12,016,274.07

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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.