Home / 13,537,932.52-18,681,236.40-7,426,361.02

Finding the Fourth Proportional to 13,537,932.52, 18,681,236.40 and 7,426,361.02

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Solution

The fourth proportional to 13,537,932.52, 18,681,236.40 and 7,426,361.02 is: 10,247,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537,932.52 : 18,681,236.40 = 7,426,361.02 : x
  2. Step 2: Convert to fraction form
    13,537,932.52/18,681,236.40 = 7,426,361.02/x
  3. Step 3: Cross multiply
    13,537,932.52x = 18,681,236.40 × 7,426,361.02
  4. Step 4: Simplify right side
    13,537,932.52x = 138,733,605,806,365.11
  5. Step 5: Solve for x
    x = 138,733,605,806,365.11/13,537,932.52
  6. Step 6: Final answer
    x = 10,247,769.04

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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.