Home / 38,308,303.50-52,866,575.28-20,905,769.67

Finding the Fourth Proportional to 38,308,303.50, 52,866,575.28 and 20,905,769.67

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Solution

The fourth proportional to 38,308,303.50, 52,866,575.28 and 20,905,769.67 is: 28,850,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,303.50 : 52,866,575.28 = 20,905,769.67 : x
  2. Step 2: Convert to fraction form
    38,308,303.50/52,866,575.28 = 20,905,769.67/x
  3. Step 3: Cross multiply
    38,308,303.50x = 52,866,575.28 × 20,905,769.67
  4. Step 4: Simplify right side
    38,308,303.50x = 1,105,216,446,045,395.88
  5. Step 5: Solve for x
    x = 1,105,216,446,045,395.88/38,308,303.50
  6. Step 6: Final answer
    x = 28,850,571.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.