Home / 28,355,233.80-42,532,850.70-13,985,185.80

Finding the Fourth Proportional to 28,355,233.80, 42,532,850.70 and 13,985,185.80

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Solution

The fourth proportional to 28,355,233.80, 42,532,850.70 and 13,985,185.80 is: 20,977,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355,233.80 : 42,532,850.70 = 13,985,185.80 : x
  2. Step 2: Convert to fraction form
    28,355,233.80/42,532,850.70 = 13,985,185.80/x
  3. Step 3: Cross multiply
    28,355,233.80x = 42,532,850.70 × 13,985,185.80
  4. Step 4: Simplify right side
    28,355,233.80x = 594,829,819,643,160.12
  5. Step 5: Solve for x
    x = 594,829,819,643,160.12/28,355,233.80
  6. Step 6: Final answer
    x = 20,977,778.70

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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.