Home / 30,362,938.70-45,544,408.05-8,798,243.90

Finding the Fourth Proportional to 30,362,938.70, 45,544,408.05 and 8,798,243.90

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Solution

The fourth proportional to 30,362,938.70, 45,544,408.05 and 8,798,243.90 is: 13,197,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362,938.70 : 45,544,408.05 = 8,798,243.90 : x
  2. Step 2: Convert to fraction form
    30,362,938.70/45,544,408.05 = 8,798,243.90/x
  3. Step 3: Cross multiply
    30,362,938.70x = 45,544,408.05 × 8,798,243.90
  4. Step 4: Simplify right side
    30,362,938.70x = 400,710,810,305,023.38
  5. Step 5: Solve for x
    x = 400,710,810,305,023.38/30,362,938.70
  6. Step 6: Final answer
    x = 13,197,365.85

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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.