Home / 19,321,310.10-28,985,464.35-9,712,506.90

Finding the Fourth Proportional to 19,321,310.10, 28,985,464.35 and 9,712,506.90

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Solution

The fourth proportional to 19,321,310.10, 28,985,464.35 and 9,712,506.90 is: 14,570,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,310.10 : 28,985,464.35 = 9,712,506.90 : x
  2. Step 2: Convert to fraction form
    19,321,310.10/28,985,464.35 = 9,712,506.90/x
  3. Step 3: Cross multiply
    19,321,310.10x = 28,985,464.35 × 9,712,506.90
  4. Step 4: Simplify right side
    19,321,310.10x = 281,521,522,499,079.06
  5. Step 5: Solve for x
    x = 281,521,522,499,079.06/19,321,310.10
  6. Step 6: Final answer
    x = 14,570,519.34

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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.