Home / 38,639,485.60-57,959,228.40-20,723,581.60

Finding the Fourth Proportional to 38,639,485.60, 57,959,228.40 and 20,723,581.60

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Solution

The fourth proportional to 38,639,485.60, 57,959,228.40 and 20,723,581.60 is: 31,085,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,485.60 : 57,959,228.40 = 20,723,581.60 : x
  2. Step 2: Convert to fraction form
    38,639,485.60/57,959,228.40 = 20,723,581.60/x
  3. Step 3: Cross multiply
    38,639,485.60x = 57,959,228.40 × 20,723,581.60
  4. Step 4: Simplify right side
    38,639,485.60x = 1,201,122,799,220,437.50
  5. Step 5: Solve for x
    x = 1,201,122,799,220,437.50/38,639,485.60
  6. Step 6: Final answer
    x = 31,085,372.40

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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.