Home / 20,736,021.70-31,104,032.56-20,736,021.70

Finding the Fourth Proportional to 20,736,021.70, 31,104,032.56 and 20,736,021.70

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Solution

The fourth proportional to 20,736,021.70, 31,104,032.56 and 20,736,021.70 is: 31,104,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,021.70 : 31,104,032.56 = 20,736,021.70 : x
  2. Step 2: Convert to fraction form
    20,736,021.70/31,104,032.56 = 20,736,021.70/x
  3. Step 3: Cross multiply
    20,736,021.70x = 31,104,032.56 × 20,736,021.70
  4. Step 4: Simplify right side
    20,736,021.70x = 644,973,894,121,666.50
  5. Step 5: Solve for x
    x = 644,973,894,121,666.50/20,736,021.70
  6. Step 6: Final answer
    x = 31,104,032.56

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1.5x scale

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.