Home / 30,330,427.25-45,495,640.88-10,135,669.25

Finding the Fourth Proportional to 30,330,427.25, 45,495,640.88 and 10,135,669.25

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Solution

The fourth proportional to 30,330,427.25, 45,495,640.88 and 10,135,669.25 is: 15,203,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,427.25 : 45,495,640.88 = 10,135,669.25 : x
  2. Step 2: Convert to fraction form
    30,330,427.25/45,495,640.88 = 10,135,669.25/x
  3. Step 3: Cross multiply
    30,330,427.25x = 45,495,640.88 × 10,135,669.25
  4. Step 4: Simplify right side
    30,330,427.25x = 461,128,768,225,780.62
  5. Step 5: Solve for x
    x = 461,128,768,225,780.62/30,330,427.25
  6. Step 6: Final answer
    x = 15,203,503.88

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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.