Home / 20,218,981.60-30,328,472.40-16,628,802.40

Finding the Fourth Proportional to 20,218,981.60, 30,328,472.40 and 16,628,802.40

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Solution

The fourth proportional to 20,218,981.60, 30,328,472.40 and 16,628,802.40 is: 24,943,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,981.60 : 30,328,472.40 = 16,628,802.40 : x
  2. Step 2: Convert to fraction form
    20,218,981.60/30,328,472.40 = 16,628,802.40/x
  3. Step 3: Cross multiply
    20,218,981.60x = 30,328,472.40 × 16,628,802.40
  4. Step 4: Simplify right side
    20,218,981.60x = 504,326,174,633,453.75
  5. Step 5: Solve for x
    x = 504,326,174,633,453.75/20,218,981.60
  6. Step 6: Final answer
    x = 24,943,203.60

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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.