Home / 19,250,817.84-28,878,786.60-9,014,280

Finding the Fourth Proportional to 19,250,817.84, 28,878,786.60 and 9,014,280

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Solution

The fourth proportional to 19,250,817.84, 28,878,786.60 and 9,014,280 is: 13,522,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250,817.84 : 28,878,786.60 = 9,014,280 : x
  2. Step 2: Convert to fraction form
    19,250,817.84/28,878,786.60 = 9,014,280/x
  3. Step 3: Cross multiply
    19,250,817.84x = 28,878,786.60 × 9,014,280
  4. Step 4: Simplify right side
    19,250,817.84x = 260,321,468,472,648
  5. Step 5: Solve for x
    x = 260,321,468,472,648/19,250,817.84
  6. Step 6: Final answer
    x = 13,522,618.66

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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.