Home / 30,439,193.04-42,004,971.72-16,687,855.44

Finding the Fourth Proportional to 30,439,193.04, 42,004,971.72 and 16,687,855.44

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Solution

The fourth proportional to 30,439,193.04, 42,004,971.72 and 16,687,855.44 is: 23,028,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439,193.04 : 42,004,971.72 = 16,687,855.44 : x
  2. Step 2: Convert to fraction form
    30,439,193.04/42,004,971.72 = 16,687,855.44/x
  3. Step 3: Cross multiply
    30,439,193.04x = 42,004,971.72 × 16,687,855.44
  4. Step 4: Simplify right side
    30,439,193.04x = 700,972,895,824,648.12
  5. Step 5: Solve for x
    x = 700,972,895,824,648.12/30,439,193.04
  6. Step 6: Final answer
    x = 23,028,629.40

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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.