Home / 30,539,297.40-45,808,946.10-18,422,442.60

Finding the Fourth Proportional to 30,539,297.40, 45,808,946.10 and 18,422,442.60

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Solution

The fourth proportional to 30,539,297.40, 45,808,946.10 and 18,422,442.60 is: 27,633,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539,297.40 : 45,808,946.10 = 18,422,442.60 : x
  2. Step 2: Convert to fraction form
    30,539,297.40/45,808,946.10 = 18,422,442.60/x
  3. Step 3: Cross multiply
    30,539,297.40x = 45,808,946.10 × 18,422,442.60
  4. Step 4: Simplify right side
    30,539,297.40x = 843,912,680,093,744
  5. Step 5: Solve for x
    x = 843,912,680,093,744/30,539,297.40
  6. Step 6: Final answer
    x = 27,633,663.90

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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.