Home / 21,072,325.65-31,632,108.08-16,301,166.45

Finding the Fourth Proportional to 21,072,325.65, 31,632,108.08 and 16,301,166.45

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Solution

The fourth proportional to 21,072,325.65, 31,632,108.08 and 16,301,166.45 is: 24,470,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,072,325.65 : 31,632,108.08 = 16,301,166.45 : x
  2. Step 2: Convert to fraction form
    21,072,325.65/31,632,108.08 = 16,301,166.45/x
  3. Step 3: Cross multiply
    21,072,325.65x = 31,632,108.08 × 16,301,166.45
  4. Step 4: Simplify right side
    21,072,325.65x = 515,640,258,894,964.06
  5. Step 5: Solve for x
    x = 515,640,258,894,964.06/21,072,325.65
  6. Step 6: Final answer
    x = 24,470,021.37

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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.