Home / 14,638,203.36-20,201,529.60-8,111,696.40

Finding the Fourth Proportional to 14,638,203.36, 20,201,529.60 and 8,111,696.40

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Solution

The fourth proportional to 14,638,203.36, 20,201,529.60 and 8,111,696.40 is: 11,194,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,203.36 : 20,201,529.60 = 8,111,696.40 : x
  2. Step 2: Convert to fraction form
    14,638,203.36/20,201,529.60 = 8,111,696.40/x
  3. Step 3: Cross multiply
    14,638,203.36x = 20,201,529.60 × 8,111,696.40
  4. Step 4: Simplify right side
    14,638,203.36x = 163,868,674,930,813.47
  5. Step 5: Solve for x
    x = 163,868,674,930,813.47/14,638,203.36
  6. Step 6: Final answer
    x = 11,194,589.32

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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.