Home / 18,677,513.10-28,017,108.90-5,722,714.74

Finding the Fourth Proportional to 18,677,513.10, 28,017,108.90 and 5,722,714.74

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Solution

The fourth proportional to 18,677,513.10, 28,017,108.90 and 5,722,714.74 is: 8,584,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,513.10 : 28,017,108.90 = 5,722,714.74 : x
  2. Step 2: Convert to fraction form
    18,677,513.10/28,017,108.90 = 5,722,714.74/x
  3. Step 3: Cross multiply
    18,677,513.10x = 28,017,108.90 × 5,722,714.74
  4. Step 4: Simplify right side
    18,677,513.10x = 160,333,922,074,215.19
  5. Step 5: Solve for x
    x = 160,333,922,074,215.19/18,677,513.10
  6. Step 6: Final answer
    x = 8,584,329.25

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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.