Home / 13,548,140.40-18,696,645.72-7,437,126

Finding the Fourth Proportional to 13,548,140.40, 18,696,645.72 and 7,437,126

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Solution

The fourth proportional to 13,548,140.40, 18,696,645.72 and 7,437,126 is: 10,263,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,140.40 : 18,696,645.72 = 7,437,126 : x
  2. Step 2: Convert to fraction form
    13,548,140.40/18,696,645.72 = 7,437,126/x
  3. Step 3: Cross multiply
    13,548,140.40x = 18,696,645.72 × 7,437,126
  4. Step 4: Simplify right side
    13,548,140.40x = 139,049,309,997,000.72
  5. Step 5: Solve for x
    x = 139,049,309,997,000.72/13,548,140.40
  6. Step 6: Final answer
    x = 10,263,350.24

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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.