Home / 19,980,466.34-27,573,043.21-10,813,109.09

Finding the Fourth Proportional to 19,980,466.34, 27,573,043.21 and 10,813,109.09

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Solution

The fourth proportional to 19,980,466.34, 27,573,043.21 and 10,813,109.09 is: 14,922,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,466.34 : 27,573,043.21 = 10,813,109.09 : x
  2. Step 2: Convert to fraction form
    19,980,466.34/27,573,043.21 = 10,813,109.09/x
  3. Step 3: Cross multiply
    19,980,466.34x = 27,573,043.21 × 10,813,109.09
  4. Step 4: Simplify right side
    19,980,466.34x = 298,150,324,173,013.81
  5. Step 5: Solve for x
    x = 298,150,324,173,013.81/19,980,466.34
  6. Step 6: Final answer
    x = 14,922,090.36

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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.