Home / 13,627,140.64-18,806,584.56-7,827,041.68

Finding the Fourth Proportional to 13,627,140.64, 18,806,584.56 and 7,827,041.68

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Solution

The fourth proportional to 13,627,140.64, 18,806,584.56 and 7,827,041.68 is: 10,801,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,140.64 : 18,806,584.56 = 7,827,041.68 : x
  2. Step 2: Convert to fraction form
    13,627,140.64/18,806,584.56 = 7,827,041.68/x
  3. Step 3: Cross multiply
    13,627,140.64x = 18,806,584.56 × 7,827,041.68
  4. Step 4: Simplify right side
    13,627,140.64x = 147,199,921,209,564.44
  5. Step 5: Solve for x
    x = 147,199,921,209,564.44/13,627,140.64
  6. Step 6: Final answer
    x = 10,801,966.83

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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.