Home / 13,118,042.10-18,065,666.61-11,269,064.82

Finding the Fourth Proportional to 13,118,042.10, 18,065,666.61 and 11,269,064.82

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Solution

The fourth proportional to 13,118,042.10, 18,065,666.61 and 11,269,064.82 is: 15,519,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,042.10 : 18,065,666.61 = 11,269,064.82 : x
  2. Step 2: Convert to fraction form
    13,118,042.10/18,065,666.61 = 11,269,064.82/x
  3. Step 3: Cross multiply
    13,118,042.10x = 18,065,666.61 × 11,269,064.82
  4. Step 4: Simplify right side
    13,118,042.10x = 203,583,168,044,599.66
  5. Step 5: Solve for x
    x = 203,583,168,044,599.66/13,118,042.10
  6. Step 6: Final answer
    x = 15,519,325.71

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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.