Home / 28,362,372.40-39,139,542.30-17,348,313.03

Finding the Fourth Proportional to 28,362,372.40, 39,139,542.30 and 17,348,313.03

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Solution

The fourth proportional to 28,362,372.40, 39,139,542.30 and 17,348,313.03 is: 23,940,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362,372.40 : 39,139,542.30 = 17,348,313.03 : x
  2. Step 2: Convert to fraction form
    28,362,372.40/39,139,542.30 = 17,348,313.03/x
  3. Step 3: Cross multiply
    28,362,372.40x = 39,139,542.30 × 17,348,313.03
  4. Step 4: Simplify right side
    28,362,372.40x = 679,005,031,650,890.50
  5. Step 5: Solve for x
    x = 679,005,031,650,890.50/28,362,372.40
  6. Step 6: Final answer
    x = 23,940,346.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.