Home / 19,153,139.40-28,729,709.10-17,389,542.60

Finding the Fourth Proportional to 19,153,139.40, 28,729,709.10 and 17,389,542.60

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Solution

The fourth proportional to 19,153,139.40, 28,729,709.10 and 17,389,542.60 is: 26,084,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,139.40 : 28,729,709.10 = 17,389,542.60 : x
  2. Step 2: Convert to fraction form
    19,153,139.40/28,729,709.10 = 17,389,542.60/x
  3. Step 3: Cross multiply
    19,153,139.40x = 28,729,709.10 × 17,389,542.60
  4. Step 4: Simplify right side
    19,153,139.40x = 499,596,500,280,057.75
  5. Step 5: Solve for x
    x = 499,596,500,280,057.75/19,153,139.40
  6. Step 6: Final answer
    x = 26,084,313.90

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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.