Home / 20,736,070.70-31,104,106.06-19,224,416.30

Finding the Fourth Proportional to 20,736,070.70, 31,104,106.06 and 19,224,416.30

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Solution

The fourth proportional to 20,736,070.70, 31,104,106.06 and 19,224,416.30 is: 28,836,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,070.70 : 31,104,106.06 = 19,224,416.30 : x
  2. Step 2: Convert to fraction form
    20,736,070.70/31,104,106.06 = 19,224,416.30/x
  3. Step 3: Cross multiply
    20,736,070.70x = 31,104,106.06 × 19,224,416.30
  4. Step 4: Simplify right side
    20,736,070.70x = 597,958,283,536,792.75
  5. Step 5: Solve for x
    x = 597,958,283,536,792.75/20,736,070.70
  6. Step 6: Final answer
    x = 28,836,624.46

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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.