Home / 28,355,216.80-42,532,825.20-13,985,168.80

Finding the Fourth Proportional to 28,355,216.80, 42,532,825.20 and 13,985,168.80

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Solution

The fourth proportional to 28,355,216.80, 42,532,825.20 and 13,985,168.80 is: 20,977,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355,216.80 : 42,532,825.20 = 13,985,168.80 : x
  2. Step 2: Convert to fraction form
    28,355,216.80/42,532,825.20 = 13,985,168.80/x
  3. Step 3: Cross multiply
    28,355,216.80x = 42,532,825.20 × 13,985,168.80
  4. Step 4: Simplify right side
    28,355,216.80x = 594,828,739,962,893.88
  5. Step 5: Solve for x
    x = 594,828,739,962,893.88/28,355,216.80
  6. Step 6: Final answer
    x = 20,977,753.20

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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.