Home / 28,029,919.20-42,044,878.80-16,692,511.20

Finding the Fourth Proportional to 28,029,919.20, 42,044,878.80 and 16,692,511.20

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Solution

The fourth proportional to 28,029,919.20, 42,044,878.80 and 16,692,511.20 is: 25,038,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,919.20 : 42,044,878.80 = 16,692,511.20 : x
  2. Step 2: Convert to fraction form
    28,029,919.20/42,044,878.80 = 16,692,511.20/x
  3. Step 3: Cross multiply
    28,029,919.20x = 42,044,878.80 × 16,692,511.20
  4. Step 4: Simplify right side
    28,029,919.20x = 701,834,610,271,642.50
  5. Step 5: Solve for x
    x = 701,834,610,271,642.50/28,029,919.20
  6. Step 6: Final answer
    x = 25,038,766.80

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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.