Home / 19,153,517.92-28,713,457.68-7,803,514.72

Finding the Fourth Proportional to 19,153,517.92, 28,713,457.68 and 7,803,514.72

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Solution

The fourth proportional to 19,153,517.92, 28,713,457.68 and 7,803,514.72 is: 11,698,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,517.92 : 28,713,457.68 = 7,803,514.72 : x
  2. Step 2: Convert to fraction form
    19,153,517.92/28,713,457.68 = 7,803,514.72/x
  3. Step 3: Cross multiply
    19,153,517.92x = 28,713,457.68 × 7,803,514.72
  4. Step 4: Simplify right side
    19,153,517.92x = 224,065,889,667,977.03
  5. Step 5: Solve for x
    x = 224,065,889,667,977.03/19,153,517.92
  6. Step 6: Final answer
    x = 11,698,419.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.