Home / 20,736,021.70-31,048,045.35-20,736,021.70

Finding the Fourth Proportional to 20,736,021.70, 31,048,045.35 and 20,736,021.70

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Solution

The fourth proportional to 20,736,021.70, 31,048,045.35 and 20,736,021.70 is: 31,048,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,021.70 : 31,048,045.35 = 20,736,021.70 : x
  2. Step 2: Convert to fraction form
    20,736,021.70/31,048,045.35 = 20,736,021.70/x
  3. Step 3: Cross multiply
    20,736,021.70x = 31,048,045.35 × 20,736,021.70
  4. Step 4: Simplify right side
    20,736,021.70x = 643,812,942,120,184.12
  5. Step 5: Solve for x
    x = 643,812,942,120,184.12/20,736,021.70
  6. Step 6: Final answer
    x = 31,048,045.35

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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.