Home / 12,975,205.26-19,470,812.40-6,590,040.06

Finding the Fourth Proportional to 12,975,205.26, 19,470,812.40 and 6,590,040.06

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Solution

The fourth proportional to 12,975,205.26, 19,470,812.40 and 6,590,040.06 is: 9,889,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,205.26 : 19,470,812.40 = 6,590,040.06 : x
  2. Step 2: Convert to fraction form
    12,975,205.26/19,470,812.40 = 6,590,040.06/x
  3. Step 3: Cross multiply
    12,975,205.26x = 19,470,812.40 × 6,590,040.06
  4. Step 4: Simplify right side
    12,975,205.26x = 128,313,433,716,744.72
  5. Step 5: Solve for x
    x = 128,313,433,716,744.72/12,975,205.26
  6. Step 6: Final answer
    x = 9,889,125.54

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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.