Home / 19,764,813.60-29,647,220.40-19,008,986.40

Finding the Fourth Proportional to 19,764,813.60, 29,647,220.40 and 19,008,986.40

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Solution

The fourth proportional to 19,764,813.60, 29,647,220.40 and 19,008,986.40 is: 28,513,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,813.60 : 29,647,220.40 = 19,008,986.40 : x
  2. Step 2: Convert to fraction form
    19,764,813.60/29,647,220.40 = 19,008,986.40/x
  3. Step 3: Cross multiply
    19,764,813.60x = 29,647,220.40 × 19,008,986.40
  4. Step 4: Simplify right side
    19,764,813.60x = 563,563,609,381,402.50
  5. Step 5: Solve for x
    x = 563,563,609,381,402.50/19,764,813.60
  6. Step 6: Final answer
    x = 28,513,479.60

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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.