Home / 17,819,499.80-26,705,072-7,571,509.40

Finding the Fourth Proportional to 17,819,499.80, 26,705,072 and 7,571,509.40

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Solution

The fourth proportional to 17,819,499.80, 26,705,072 and 7,571,509.40 is: 11,346,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819,499.80 : 26,705,072 = 7,571,509.40 : x
  2. Step 2: Convert to fraction form
    17,819,499.80/26,705,072 = 7,571,509.40/x
  3. Step 3: Cross multiply
    17,819,499.80x = 26,705,072 × 7,571,509.40
  4. Step 4: Simplify right side
    17,819,499.80x = 202,197,703,675,676.81
  5. Step 5: Solve for x
    x = 202,197,703,675,676.81/17,819,499.80
  6. Step 6: Final answer
    x = 11,346,990.99

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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.