Home / 20,162,495.40-30,243,743.10-18,083,970.60

Finding the Fourth Proportional to 20,162,495.40, 30,243,743.10 and 18,083,970.60

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Solution

The fourth proportional to 20,162,495.40, 30,243,743.10 and 18,083,970.60 is: 27,125,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,495.40 : 30,243,743.10 = 18,083,970.60 : x
  2. Step 2: Convert to fraction form
    20,162,495.40/30,243,743.10 = 18,083,970.60/x
  3. Step 3: Cross multiply
    20,162,495.40x = 30,243,743.10 × 18,083,970.60
  4. Step 4: Simplify right side
    20,162,495.40x = 546,926,961,054,352.94
  5. Step 5: Solve for x
    x = 546,926,961,054,352.94/20,162,495.40
  6. Step 6: Final answer
    x = 27,125,955.90

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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.