Home / 19,630,479.72-27,089,532.80-10,928,653.12

Finding the Fourth Proportional to 19,630,479.72, 27,089,532.80 and 10,928,653.12

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Solution

The fourth proportional to 19,630,479.72, 27,089,532.80 and 10,928,653.12 is: 15,081,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630,479.72 : 27,089,532.80 = 10,928,653.12 : x
  2. Step 2: Convert to fraction form
    19,630,479.72/27,089,532.80 = 10,928,653.12/x
  3. Step 3: Cross multiply
    19,630,479.72x = 27,089,532.80 × 10,928,653.12
  4. Step 4: Simplify right side
    19,630,479.72x = 296,052,107,154,062.31
  5. Step 5: Solve for x
    x = 296,052,107,154,062.31/19,630,479.72
  6. Step 6: Final answer
    x = 15,081,246.68

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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.