Home / 13,602,835.27-18,771,830.43-7,491,220.03

Finding the Fourth Proportional to 13,602,835.27, 18,771,830.43 and 7,491,220.03

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Solution

The fourth proportional to 13,602,835.27, 18,771,830.43 and 7,491,220.03 is: 10,337,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602,835.27 : 18,771,830.43 = 7,491,220.03 : x
  2. Step 2: Convert to fraction form
    13,602,835.27/18,771,830.43 = 7,491,220.03/x
  3. Step 3: Cross multiply
    13,602,835.27x = 18,771,830.43 × 7,491,220.03
  4. Step 4: Simplify right side
    13,602,835.27x = 140,623,912,112,352.22
  5. Step 5: Solve for x
    x = 140,623,912,112,352.22/13,602,835.27
  6. Step 6: Final answer
    x = 10,337,838.35

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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.