Home / 20,736,177.40-31,104,266.10-19,476,465.40

Finding the Fourth Proportional to 20,736,177.40, 31,104,266.10 and 19,476,465.40

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Solution

The fourth proportional to 20,736,177.40, 31,104,266.10 and 19,476,465.40 is: 29,214,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,177.40 : 31,104,266.10 = 19,476,465.40 : x
  2. Step 2: Convert to fraction form
    20,736,177.40/31,104,266.10 = 19,476,465.40/x
  3. Step 3: Cross multiply
    20,736,177.40x = 31,104,266.10 × 19,476,465.40
  4. Step 4: Simplify right side
    20,736,177.40x = 605,801,162,489,042.88
  5. Step 5: Solve for x
    x = 605,801,162,489,042.88/20,736,177.40
  6. Step 6: Final answer
    x = 29,214,698.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.