Home / 30,908,452.07-42,651,530.20-17,156,333.63

Finding the Fourth Proportional to 30,908,452.07, 42,651,530.20 and 17,156,333.63

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Solution

The fourth proportional to 30,908,452.07, 42,651,530.20 and 17,156,333.63 is: 23,674,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,452.07 : 42,651,530.20 = 17,156,333.63 : x
  2. Step 2: Convert to fraction form
    30,908,452.07/42,651,530.20 = 17,156,333.63/x
  3. Step 3: Cross multiply
    30,908,452.07x = 42,651,530.20 × 17,156,333.63
  4. Step 4: Simplify right side
    30,908,452.07x = 731,743,881,685,072.12
  5. Step 5: Solve for x
    x = 731,743,881,685,072.12/30,908,452.07
  6. Step 6: Final answer
    x = 23,674,556.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.