Home / 30,861,845.60-46,292,768.40-10,389,853.76

Finding the Fourth Proportional to 30,861,845.60, 46,292,768.40 and 10,389,853.76

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Solution

The fourth proportional to 30,861,845.60, 46,292,768.40 and 10,389,853.76 is: 15,584,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861,845.60 : 46,292,768.40 = 10,389,853.76 : x
  2. Step 2: Convert to fraction form
    30,861,845.60/46,292,768.40 = 10,389,853.76/x
  3. Step 3: Cross multiply
    30,861,845.60x = 46,292,768.40 × 10,389,853.76
  4. Step 4: Simplify right side
    30,861,845.60x = 480,975,093,821,549.19
  5. Step 5: Solve for x
    x = 480,975,093,821,549.19/30,861,845.60
  6. Step 6: Final answer
    x = 15,584,780.64

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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.