Home / 17,383,619.20-26,075,428.80-8,425,667.20

Finding the Fourth Proportional to 17,383,619.20, 26,075,428.80 and 8,425,667.20

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Solution

The fourth proportional to 17,383,619.20, 26,075,428.80 and 8,425,667.20 is: 12,638,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383,619.20 : 26,075,428.80 = 8,425,667.20 : x
  2. Step 2: Convert to fraction form
    17,383,619.20/26,075,428.80 = 8,425,667.20/x
  3. Step 3: Cross multiply
    17,383,619.20x = 26,075,428.80 × 8,425,667.20
  4. Step 4: Simplify right side
    17,383,619.20x = 219,702,885,166,095.34
  5. Step 5: Solve for x
    x = 219,702,885,166,095.34/17,383,619.20
  6. Step 6: Final answer
    x = 12,638,500.80

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1.5x scale

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.