Home / 13,531,268.39-18,674,228.48-7,652,140.76

Finding the Fourth Proportional to 13,531,268.39, 18,674,228.48 and 7,652,140.76

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Solution

The fourth proportional to 13,531,268.39, 18,674,228.48 and 7,652,140.76 is: 10,560,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,268.39 : 18,674,228.48 = 7,652,140.76 : x
  2. Step 2: Convert to fraction form
    13,531,268.39/18,674,228.48 = 7,652,140.76/x
  3. Step 3: Cross multiply
    13,531,268.39x = 18,674,228.48 × 7,652,140.76
  4. Step 4: Simplify right side
    13,531,268.39x = 142,897,824,781,729
  5. Step 5: Solve for x
    x = 142,897,824,781,729/13,531,268.39
  6. Step 6: Final answer
    x = 10,560,563.93

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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.