Home / 13,223,985.30-18,250,941.36-7,344,940.50

Finding the Fourth Proportional to 13,223,985.30, 18,250,941.36 and 7,344,940.50

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Solution

The fourth proportional to 13,223,985.30, 18,250,941.36 and 7,344,940.50 is: 10,137,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,985.30 : 18,250,941.36 = 7,344,940.50 : x
  2. Step 2: Convert to fraction form
    13,223,985.30/18,250,941.36 = 7,344,940.50/x
  3. Step 3: Cross multiply
    13,223,985.30x = 18,250,941.36 × 7,344,940.50
  4. Step 4: Simplify right side
    13,223,985.30x = 134,052,078,358,189.08
  5. Step 5: Solve for x
    x = 134,052,078,358,189.08/13,223,985.30
  6. Step 6: Final answer
    x = 10,137,040.79

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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.