Home / 30,330,603.72-45,495,905.76-10,135,845.72

Finding the Fourth Proportional to 30,330,603.72, 45,495,905.76 and 10,135,845.72

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Solution

The fourth proportional to 30,330,603.72, 45,495,905.76 and 10,135,845.72 is: 15,203,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,603.72 : 45,495,905.76 = 10,135,845.72 : x
  2. Step 2: Convert to fraction form
    30,330,603.72/45,495,905.76 = 10,135,845.72/x
  3. Step 3: Cross multiply
    30,330,603.72x = 45,495,905.76 × 10,135,845.72
  4. Step 4: Simplify right side
    30,330,603.72x = 461,139,481,675,019.38
  5. Step 5: Solve for x
    x = 461,139,481,675,019.38/30,330,603.72
  6. Step 6: Final answer
    x = 15,203,768.64

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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.