Home / 22,809,885.51-31,476,993.07-13,390,525.26

Finding the Fourth Proportional to 22,809,885.51, 31,476,993.07 and 13,390,525.26

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Solution

The fourth proportional to 22,809,885.51, 31,476,993.07 and 13,390,525.26 is: 18,478,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809,885.51 : 31,476,993.07 = 13,390,525.26 : x
  2. Step 2: Convert to fraction form
    22,809,885.51/31,476,993.07 = 13,390,525.26/x
  3. Step 3: Cross multiply
    22,809,885.51x = 31,476,993.07 × 13,390,525.26
  4. Step 4: Simplify right side
    22,809,885.51x = 421,493,470,812,679.94
  5. Step 5: Solve for x
    x = 421,493,470,812,679.94/22,809,885.51
  6. Step 6: Final answer
    x = 18,478,543.90

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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.