Home / 14,214,621.82-19,616,118.73-7,688,235.65

Finding the Fourth Proportional to 14,214,621.82, 19,616,118.73 and 7,688,235.65

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Solution

The fourth proportional to 14,214,621.82, 19,616,118.73 and 7,688,235.65 is: 10,609,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214,621.82 : 19,616,118.73 = 7,688,235.65 : x
  2. Step 2: Convert to fraction form
    14,214,621.82/19,616,118.73 = 7,688,235.65/x
  3. Step 3: Cross multiply
    14,214,621.82x = 19,616,118.73 × 7,688,235.65
  4. Step 4: Simplify right side
    14,214,621.82x = 150,813,343,296,177.56
  5. Step 5: Solve for x
    x = 150,813,343,296,177.56/14,214,621.82
  6. Step 6: Final answer
    x = 10,609,733.08

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1.5x scale

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.