Home / 21,916,806.03-30,243,132.50-14,837,999.67

Finding the Fourth Proportional to 21,916,806.03, 30,243,132.50 and 14,837,999.67

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Solution

The fourth proportional to 21,916,806.03, 30,243,132.50 and 14,837,999.67 is: 20,475,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916,806.03 : 30,243,132.50 = 14,837,999.67 : x
  2. Step 2: Convert to fraction form
    21,916,806.03/30,243,132.50 = 14,837,999.67/x
  3. Step 3: Cross multiply
    21,916,806.03x = 30,243,132.50 × 14,837,999.67
  4. Step 4: Simplify right side
    21,916,806.03x = 448,747,589,980,576.31
  5. Step 5: Solve for x
    x = 448,747,589,980,576.31/21,916,806.03
  6. Step 6: Final answer
    x = 20,475,045.01

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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.