Home / 21,295,551.24-31,948,715.16-5,942,839.32

Finding the Fourth Proportional to 21,295,551.24, 31,948,715.16 and 5,942,839.32

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Solution

The fourth proportional to 21,295,551.24, 31,948,715.16 and 5,942,839.32 is: 8,915,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,551.24 : 31,948,715.16 = 5,942,839.32 : x
  2. Step 2: Convert to fraction form
    21,295,551.24/31,948,715.16 = 5,942,839.32/x
  3. Step 3: Cross multiply
    21,295,551.24x = 31,948,715.16 × 5,942,839.32
  4. Step 4: Simplify right side
    21,295,551.24x = 189,866,080,676,328.09
  5. Step 5: Solve for x
    x = 189,866,080,676,328.09/21,295,551.24
  6. Step 6: Final answer
    x = 8,915,762.67

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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.