Home / 13,434,899.77-18,539,462.15-7,632,876.25

Finding the Fourth Proportional to 13,434,899.77, 18,539,462.15 and 7,632,876.25

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Solution

The fourth proportional to 13,434,899.77, 18,539,462.15 and 7,632,876.25 is: 10,532,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,899.77 : 18,539,462.15 = 7,632,876.25 : x
  2. Step 2: Convert to fraction form
    13,434,899.77/18,539,462.15 = 7,632,876.25/x
  3. Step 3: Cross multiply
    13,434,899.77x = 18,539,462.15 × 7,632,876.25
  4. Step 4: Simplify right side
    13,434,899.77x = 141,509,420,294,344.56
  5. Step 5: Solve for x
    x = 141,509,420,294,344.56/13,434,899.77
  6. Step 6: Final answer
    x = 10,532,971.79

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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.