Home / 43,019,786.52-64,559,474.28-17,109,428.40

Finding the Fourth Proportional to 43,019,786.52, 64,559,474.28 and 17,109,428.40

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Solution

The fourth proportional to 43,019,786.52, 64,559,474.28 and 17,109,428.40 is: 25,675,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019,786.52 : 64,559,474.28 = 17,109,428.40 : x
  2. Step 2: Convert to fraction form
    43,019,786.52/64,559,474.28 = 17,109,428.40/x
  3. Step 3: Cross multiply
    43,019,786.52x = 64,559,474.28 × 17,109,428.40
  4. Step 4: Simplify right side
    43,019,786.52x = 1,104,575,702,735,301.50
  5. Step 5: Solve for x
    x = 1,104,575,702,735,301.50/43,019,786.52
  6. Step 6: Final answer
    x = 25,675,992.19

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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.