Home / 14,200,179.12-19,605,696.84-8,400,818.88

Finding the Fourth Proportional to 14,200,179.12, 19,605,696.84 and 8,400,818.88

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Solution

The fourth proportional to 14,200,179.12, 19,605,696.84 and 8,400,818.88 is: 11,598,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,179.12 : 19,605,696.84 = 8,400,818.88 : x
  2. Step 2: Convert to fraction form
    14,200,179.12/19,605,696.84 = 8,400,818.88/x
  3. Step 3: Cross multiply
    14,200,179.12x = 19,605,696.84 × 8,400,818.88
  4. Step 4: Simplify right side
    14,200,179.12x = 164,703,908,169,028.34
  5. Step 5: Solve for x
    x = 164,703,908,169,028.34/14,200,179.12
  6. Step 6: Final answer
    x = 11,598,720.47

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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.