Home / 20,160,955.80-30,241,433.70-11,657,899.80

Finding the Fourth Proportional to 20,160,955.80, 30,241,433.70 and 11,657,899.80

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Solution

The fourth proportional to 20,160,955.80, 30,241,433.70 and 11,657,899.80 is: 17,486,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,955.80 : 30,241,433.70 = 11,657,899.80 : x
  2. Step 2: Convert to fraction form
    20,160,955.80/30,241,433.70 = 11,657,899.80/x
  3. Step 3: Cross multiply
    20,160,955.80x = 30,241,433.70 × 11,657,899.80
  4. Step 4: Simplify right side
    20,160,955.80x = 352,551,603,882,943.25
  5. Step 5: Solve for x
    x = 352,551,603,882,943.25/20,160,955.80
  6. Step 6: Final answer
    x = 17,486,849.70

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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.