Home / 20,888,950.10-31,333,425.15-16,353,986.90

Finding the Fourth Proportional to 20,888,950.10, 31,333,425.15 and 16,353,986.90

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Solution

The fourth proportional to 20,888,950.10, 31,333,425.15 and 16,353,986.90 is: 24,530,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,950.10 : 31,333,425.15 = 16,353,986.90 : x
  2. Step 2: Convert to fraction form
    20,888,950.10/31,333,425.15 = 16,353,986.90/x
  3. Step 3: Cross multiply
    20,888,950.10x = 31,333,425.15 × 16,353,986.90
  4. Step 4: Simplify right side
    20,888,950.10x = 512,426,424,435,230.50
  5. Step 5: Solve for x
    x = 512,426,424,435,230.50/20,888,950.10
  6. Step 6: Final answer
    x = 24,530,980.35

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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.