Home / 20,736,019.60-31,104,029.40-17,849,568.40

Finding the Fourth Proportional to 20,736,019.60, 31,104,029.40 and 17,849,568.40

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Solution

The fourth proportional to 20,736,019.60, 31,104,029.40 and 17,849,568.40 is: 26,774,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,019.60 : 31,104,029.40 = 17,849,568.40 : x
  2. Step 2: Convert to fraction form
    20,736,019.60/31,104,029.40 = 17,849,568.40/x
  3. Step 3: Cross multiply
    20,736,019.60x = 31,104,029.40 × 17,849,568.40
  4. Step 4: Simplify right side
    20,736,019.60x = 555,193,500,290,910.88
  5. Step 5: Solve for x
    x = 555,193,500,290,910.88/20,736,019.60
  6. Step 6: Final answer
    x = 26,774,352.60

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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.