Home / 20,012,930.85-27,617,868.21-10,845,573.60

Finding the Fourth Proportional to 20,012,930.85, 27,617,868.21 and 10,845,573.60

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Solution

The fourth proportional to 20,012,930.85, 27,617,868.21 and 10,845,573.60 is: 14,966,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,930.85 : 27,617,868.21 = 10,845,573.60 : x
  2. Step 2: Convert to fraction form
    20,012,930.85/27,617,868.21 = 10,845,573.60/x
  3. Step 3: Cross multiply
    20,012,930.85x = 27,617,868.21 × 10,845,573.60
  4. Step 4: Simplify right side
    20,012,930.85x = 299,531,622,346,655.25
  5. Step 5: Solve for x
    x = 299,531,622,346,655.25/20,012,930.85
  6. Step 6: Final answer
    x = 14,966,904.38

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1.5x scale

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.