Home / 13,408,754.66-18,503,733.04-7,828,070.57

Finding the Fourth Proportional to 13,408,754.66, 18,503,733.04 and 7,828,070.57

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Solution

The fourth proportional to 13,408,754.66, 18,503,733.04 and 7,828,070.57 is: 10,802,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,754.66 : 18,503,733.04 = 7,828,070.57 : x
  2. Step 2: Convert to fraction form
    13,408,754.66/18,503,733.04 = 7,828,070.57/x
  3. Step 3: Cross multiply
    13,408,754.66x = 18,503,733.04 × 7,828,070.57
  4. Step 4: Simplify right side
    13,408,754.66x = 144,848,528,043,888.44
  5. Step 5: Solve for x
    x = 144,848,528,043,888.44/13,408,754.66
  6. Step 6: Final answer
    x = 10,802,534.00

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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.