Home / 20,736,086.70-31,104,130.06-19,224,432.30

Finding the Fourth Proportional to 20,736,086.70, 31,104,130.06 and 19,224,432.30

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Solution

The fourth proportional to 20,736,086.70, 31,104,130.06 and 19,224,432.30 is: 28,836,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,086.70 : 31,104,130.06 = 19,224,432.30 : x
  2. Step 2: Convert to fraction form
    20,736,086.70/31,104,130.06 = 19,224,432.30/x
  3. Step 3: Cross multiply
    20,736,086.70x = 31,104,130.06 × 19,224,432.30
  4. Step 4: Simplify right side
    20,736,086.70x = 597,959,242,588,864.88
  5. Step 5: Solve for x
    x = 597,959,242,588,864.88/20,736,086.70
  6. Step 6: Final answer
    x = 28,836,648.46

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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.