Home / 28,685,474.40-43,040,918.07-15,035,376.81

Finding the Fourth Proportional to 28,685,474.40, 43,040,918.07 and 15,035,376.81

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Solution

The fourth proportional to 28,685,474.40, 43,040,918.07 and 15,035,376.81 is: 22,559,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,474.40 : 43,040,918.07 = 15,035,376.81 : x
  2. Step 2: Convert to fraction form
    28,685,474.40/43,040,918.07 = 15,035,376.81/x
  3. Step 3: Cross multiply
    28,685,474.40x = 43,040,918.07 × 15,035,376.81
  4. Step 4: Simplify right side
    28,685,474.40x = 647,136,421,430,788
  5. Step 5: Solve for x
    x = 647,136,421,430,788/28,685,474.40
  6. Step 6: Final answer
    x = 22,559,725.26

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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.