Home / 18,640,214.44-25,710,245.16-12,442,136.14

Finding the Fourth Proportional to 18,640,214.44, 25,710,245.16 and 12,442,136.14

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Solution

The fourth proportional to 18,640,214.44, 25,710,245.16 and 12,442,136.14 is: 17,161,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,214.44 : 25,710,245.16 = 12,442,136.14 : x
  2. Step 2: Convert to fraction form
    18,640,214.44/25,710,245.16 = 12,442,136.14/x
  3. Step 3: Cross multiply
    18,640,214.44x = 25,710,245.16 × 12,442,136.14
  4. Step 4: Simplify right side
    18,640,214.44x = 319,890,370,473,496.12
  5. Step 5: Solve for x
    x = 319,890,370,473,496.12/18,640,214.44
  6. Step 6: Final answer
    x = 17,161,303.13

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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.