Home / 38,308,300.50-52,866,571.14-20,905,766.67

Finding the Fourth Proportional to 38,308,300.50, 52,866,571.14 and 20,905,766.67

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Solution

The fourth proportional to 38,308,300.50, 52,866,571.14 and 20,905,766.67 is: 28,850,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,300.50 : 52,866,571.14 = 20,905,766.67 : x
  2. Step 2: Convert to fraction form
    38,308,300.50/52,866,571.14 = 20,905,766.67/x
  3. Step 3: Cross multiply
    38,308,300.50x = 52,866,571.14 × 20,905,766.67
  4. Step 4: Simplify right side
    38,308,300.50x = 1,105,216,200,895,796
  5. Step 5: Solve for x
    x = 1,105,216,200,895,796/38,308,300.50
  6. Step 6: Final answer
    x = 28,850,567.28

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1.5x scale

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.