Home / 30,423,833.76-45,635,352.03-7,394,701.38

Finding the Fourth Proportional to 30,423,833.76, 45,635,352.03 and 7,394,701.38

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Solution

The fourth proportional to 30,423,833.76, 45,635,352.03 and 7,394,701.38 is: 11,091,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423,833.76 : 45,635,352.03 = 7,394,701.38 : x
  2. Step 2: Convert to fraction form
    30,423,833.76/45,635,352.03 = 7,394,701.38/x
  3. Step 3: Cross multiply
    30,423,833.76x = 45,635,352.03 × 7,394,701.38
  4. Step 4: Simplify right side
    30,423,833.76x = 337,459,800,676,553.62
  5. Step 5: Solve for x
    x = 337,459,800,676,553.62/30,423,833.76
  6. Step 6: Final answer
    x = 11,091,955.19

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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.