Home / 20,594,558.34-28,418,612.16-12,220,485.21

Finding the Fourth Proportional to 20,594,558.34, 28,418,612.16 and 12,220,485.21

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Solution

The fourth proportional to 20,594,558.34, 28,418,612.16 and 12,220,485.21 is: 16,863,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,558.34 : 28,418,612.16 = 12,220,485.21 : x
  2. Step 2: Convert to fraction form
    20,594,558.34/28,418,612.16 = 12,220,485.21/x
  3. Step 3: Cross multiply
    20,594,558.34x = 28,418,612.16 × 12,220,485.21
  4. Step 4: Simplify right side
    20,594,558.34x = 347,289,229,590,006.19
  5. Step 5: Solve for x
    x = 347,289,229,590,006.19/20,594,558.34
  6. Step 6: Final answer
    x = 16,863,155.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.