Home / 20,736,076.40-31,104,114.60-17,899,391.60

Finding the Fourth Proportional to 20,736,076.40, 31,104,114.60 and 17,899,391.60

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Solution

The fourth proportional to 20,736,076.40, 31,104,114.60 and 17,899,391.60 is: 26,849,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,076.40 : 31,104,114.60 = 17,899,391.60 : x
  2. Step 2: Convert to fraction form
    20,736,076.40/31,104,114.60 = 17,899,391.60/x
  3. Step 3: Cross multiply
    20,736,076.40x = 31,104,114.60 × 17,899,391.60
  4. Step 4: Simplify right side
    20,736,076.40x = 556,744,727,596,677.44
  5. Step 5: Solve for x
    x = 556,744,727,596,677.44/20,736,076.40
  6. Step 6: Final answer
    x = 26,849,087.40

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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.