Home / 18,722,021.80-28,083,032.70-16,596,257.80

Finding the Fourth Proportional to 18,722,021.80, 28,083,032.70 and 16,596,257.80

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Solution

The fourth proportional to 18,722,021.80, 28,083,032.70 and 16,596,257.80 is: 24,894,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,021.80 : 28,083,032.70 = 16,596,257.80 : x
  2. Step 2: Convert to fraction form
    18,722,021.80/28,083,032.70 = 16,596,257.80/x
  3. Step 3: Cross multiply
    18,722,021.80x = 28,083,032.70 × 16,596,257.80
  4. Step 4: Simplify right side
    18,722,021.80x = 466,073,250,495,030.06
  5. Step 5: Solve for x
    x = 466,073,250,495,030.06/18,722,021.80
  6. Step 6: Final answer
    x = 24,894,386.70

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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.