Home / 12,798,462.48-19,202,528.70-7,684,458.23

Finding the Fourth Proportional to 12,798,462.48, 19,202,528.70 and 7,684,458.23

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Solution

The fourth proportional to 12,798,462.48, 19,202,528.70 and 7,684,458.23 is: 11,529,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,462.48 : 19,202,528.70 = 7,684,458.23 : x
  2. Step 2: Convert to fraction form
    12,798,462.48/19,202,528.70 = 7,684,458.23/x
  3. Step 3: Cross multiply
    12,798,462.48x = 19,202,528.70 × 7,684,458.23
  4. Step 4: Simplify right side
    12,798,462.48x = 147,561,029,705,526.22
  5. Step 5: Solve for x
    x = 147,561,029,705,526.22/12,798,462.48
  6. Step 6: Final answer
    x = 11,529,590.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.