Home / 19,315,904.10-28,973,856.15-16,198,116.90

Finding the Fourth Proportional to 19,315,904.10, 28,973,856.15 and 16,198,116.90

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Solution

The fourth proportional to 19,315,904.10, 28,973,856.15 and 16,198,116.90 is: 24,297,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,904.10 : 28,973,856.15 = 16,198,116.90 : x
  2. Step 2: Convert to fraction form
    19,315,904.10/28,973,856.15 = 16,198,116.90/x
  3. Step 3: Cross multiply
    19,315,904.10x = 28,973,856.15 × 16,198,116.90
  4. Step 4: Simplify right side
    19,315,904.10x = 469,321,908,961,483.94
  5. Step 5: Solve for x
    x = 469,321,908,961,483.94/19,315,904.10
  6. Step 6: Final answer
    x = 24,297,175.35

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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.