Home / 38,308,048.12-52,866,230.88-20,905,516.54

Finding the Fourth Proportional to 38,308,048.12, 52,866,230.88 and 20,905,516.54

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Solution

The fourth proportional to 38,308,048.12, 52,866,230.88 and 20,905,516.54 is: 28,850,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,048.12 : 52,866,230.88 = 20,905,516.54 : x
  2. Step 2: Convert to fraction form
    38,308,048.12/52,866,230.88 = 20,905,516.54/x
  3. Step 3: Cross multiply
    38,308,048.12x = 52,866,230.88 × 20,905,516.54
  4. Step 4: Simplify right side
    38,308,048.12x = 1,105,195,864,069,298.75
  5. Step 5: Solve for x
    x = 1,105,195,864,069,298.75/38,308,048.12
  6. Step 6: Final answer
    x = 28,850,226.47

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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.