Home / 23,239,040.40-34,858,560.60-20,688,123.60

Finding the Fourth Proportional to 23,239,040.40, 34,858,560.60 and 20,688,123.60

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Solution

The fourth proportional to 23,239,040.40, 34,858,560.60 and 20,688,123.60 is: 31,032,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239,040.40 : 34,858,560.60 = 20,688,123.60 : x
  2. Step 2: Convert to fraction form
    23,239,040.40/34,858,560.60 = 20,688,123.60/x
  3. Step 3: Cross multiply
    23,239,040.40x = 34,858,560.60 × 20,688,123.60
  4. Step 4: Simplify right side
    23,239,040.40x = 721,158,210,210,890.25
  5. Step 5: Solve for x
    x = 721,158,210,210,890.25/23,239,040.40
  6. Step 6: Final answer
    x = 31,032,185.40

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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.