Home / 9,362,578.16-12,919,705.26-5,287,409.84

Finding the Fourth Proportional to 9,362,578.16, 12,919,705.26 and 5,287,409.84

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Solution

The fourth proportional to 9,362,578.16, 12,919,705.26 and 5,287,409.84 is: 7,296,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,578.16 : 12,919,705.26 = 5,287,409.84 : x
  2. Step 2: Convert to fraction form
    9,362,578.16/12,919,705.26 = 5,287,409.84/x
  3. Step 3: Cross multiply
    9,362,578.16x = 12,919,705.26 × 5,287,409.84
  4. Step 4: Simplify right side
    9,362,578.16x = 68,311,776,721,623.76
  5. Step 5: Solve for x
    x = 68,311,776,721,623.76/9,362,578.16
  6. Step 6: Final answer
    x = 7,296,257.03

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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.