Home / 28,137,307.60-42,205,961.40-16,641,269.20

Finding the Fourth Proportional to 28,137,307.60, 42,205,961.40 and 16,641,269.20

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Solution

The fourth proportional to 28,137,307.60, 42,205,961.40 and 16,641,269.20 is: 24,961,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137,307.60 : 42,205,961.40 = 16,641,269.20 : x
  2. Step 2: Convert to fraction form
    28,137,307.60/42,205,961.40 = 16,641,269.20/x
  3. Step 3: Cross multiply
    28,137,307.60x = 42,205,961.40 × 16,641,269.20
  4. Step 4: Simplify right side
    28,137,307.60x = 702,360,765,502,208.88
  5. Step 5: Solve for x
    x = 702,360,765,502,208.88/28,137,307.60
  6. Step 6: Final answer
    x = 24,961,903.80

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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.