Home / 30,285,905.40-45,419,329.44-9,810,874.53

Finding the Fourth Proportional to 30,285,905.40, 45,419,329.44 and 9,810,874.53

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Solution

The fourth proportional to 30,285,905.40, 45,419,329.44 and 9,810,874.53 is: 14,713,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,905.40 : 45,419,329.44 = 9,810,874.53 : x
  2. Step 2: Convert to fraction form
    30,285,905.40/45,419,329.44 = 9,810,874.53/x
  3. Step 3: Cross multiply
    30,285,905.40x = 45,419,329.44 × 9,810,874.53
  4. Step 4: Simplify right side
    30,285,905.40x = 445,603,342,372,575.12
  5. Step 5: Solve for x
    x = 445,603,342,372,575.12/30,285,905.40
  6. Step 6: Final answer
    x = 14,713,225.06

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1.5x scale

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.