Home / 14,812,754.58-20,440,779.12-8,285,122.89

Finding the Fourth Proportional to 14,812,754.58, 20,440,779.12 and 8,285,122.89

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Solution

The fourth proportional to 14,812,754.58, 20,440,779.12 and 8,285,122.89 is: 11,433,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812,754.58 : 20,440,779.12 = 8,285,122.89 : x
  2. Step 2: Convert to fraction form
    14,812,754.58/20,440,779.12 = 8,285,122.89/x
  3. Step 3: Cross multiply
    14,812,754.58x = 20,440,779.12 × 8,285,122.89
  4. Step 4: Simplify right side
    14,812,754.58x = 169,354,366,976,546.06
  5. Step 5: Solve for x
    x = 169,354,366,976,546.06/14,812,754.58
  6. Step 6: Final answer
    x = 11,433,009.71

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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.