Home / 38,308,299.32-52,866,569.50-20,905,765.47

Finding the Fourth Proportional to 38,308,299.32, 52,866,569.50 and 20,905,765.47

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Solution

The fourth proportional to 38,308,299.32, 52,866,569.50 and 20,905,765.47 is: 28,850,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,299.32 : 52,866,569.50 = 20,905,765.47 : x
  2. Step 2: Convert to fraction form
    38,308,299.32/52,866,569.50 = 20,905,765.47/x
  3. Step 3: Cross multiply
    38,308,299.32x = 52,866,569.50 × 20,905,765.47
  4. Step 4: Simplify right side
    38,308,299.32x = 1,105,216,103,170,455.12
  5. Step 5: Solve for x
    x = 1,105,216,103,170,455.12/38,308,299.32
  6. Step 6: Final answer
    x = 28,850,565.62

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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.