Home / 28,352,162.80-42,528,244.80-8,157,404.80

Finding the Fourth Proportional to 28,352,162.80, 42,528,244.80 and 8,157,404.80

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Solution

The fourth proportional to 28,352,162.80, 42,528,244.80 and 8,157,404.80 is: 12,236,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,162.80 : 42,528,244.80 = 8,157,404.80 : x
  2. Step 2: Convert to fraction form
    28,352,162.80/42,528,244.80 = 8,157,404.80/x
  3. Step 3: Cross multiply
    28,352,162.80x = 42,528,244.80 × 8,157,404.80
  4. Step 4: Simplify right side
    28,352,162.80x = 346,920,108,267,095
  5. Step 5: Solve for x
    x = 346,920,108,267,095/28,352,162.80
  6. Step 6: Final answer
    x = 12,236,107.37

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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.