Home / 28,468,526.20-39,287,225.82-16,246,520.44

Finding the Fourth Proportional to 28,468,526.20, 39,287,225.82 and 16,246,520.44

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Solution

The fourth proportional to 28,468,526.20, 39,287,225.82 and 16,246,520.44 is: 22,420,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468,526.20 : 39,287,225.82 = 16,246,520.44 : x
  2. Step 2: Convert to fraction form
    28,468,526.20/39,287,225.82 = 16,246,520.44/x
  3. Step 3: Cross multiply
    28,468,526.20x = 39,287,225.82 × 16,246,520.44
  4. Step 4: Simplify right side
    28,468,526.20x = 638,280,717,315,525.75
  5. Step 5: Solve for x
    x = 638,280,717,315,525.75/28,468,526.20
  6. Step 6: Final answer
    x = 22,420,574.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.