Home / 13,215,573.62-18,237,216.77-7,334,862.81

Finding the Fourth Proportional to 13,215,573.62, 18,237,216.77 and 7,334,862.81

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Solution

The fourth proportional to 13,215,573.62, 18,237,216.77 and 7,334,862.81 is: 10,121,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,573.62 : 18,237,216.77 = 7,334,862.81 : x
  2. Step 2: Convert to fraction form
    13,215,573.62/18,237,216.77 = 7,334,862.81/x
  3. Step 3: Cross multiply
    13,215,573.62x = 18,237,216.77 × 7,334,862.81
  4. Step 4: Simplify right side
    13,215,573.62x = 133,767,483,007,507
  5. Step 5: Solve for x
    x = 133,767,483,007,507/13,215,573.62
  6. Step 6: Final answer
    x = 10,121,958.15

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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.