Home / 42,823,542.40-64,214,059.20-15,528,745.60

Finding the Fourth Proportional to 42,823,542.40, 64,214,059.20 and 15,528,745.60

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Solution

The fourth proportional to 42,823,542.40, 64,214,059.20 and 15,528,745.60 is: 23,285,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823,542.40 : 64,214,059.20 = 15,528,745.60 : x
  2. Step 2: Convert to fraction form
    42,823,542.40/64,214,059.20 = 15,528,745.60/x
  3. Step 3: Cross multiply
    42,823,542.40x = 64,214,059.20 × 15,528,745.60
  4. Step 4: Simplify right side
    42,823,542.40x = 997,163,789,260,139.50
  5. Step 5: Solve for x
    x = 997,163,789,260,139.50/42,823,542.40
  6. Step 6: Final answer
    x = 23,285,411.09

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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.