Home / 12,051,638.03-16,636,349.85-8,136,697.57

Finding the Fourth Proportional to 12,051,638.03, 16,636,349.85 and 8,136,697.57

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Solution

The fourth proportional to 12,051,638.03, 16,636,349.85 and 8,136,697.57 is: 11,232,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,638.03 : 16,636,349.85 = 8,136,697.57 : x
  2. Step 2: Convert to fraction form
    12,051,638.03/16,636,349.85 = 8,136,697.57/x
  3. Step 3: Cross multiply
    12,051,638.03x = 16,636,349.85 × 8,136,697.57
  4. Step 4: Simplify right side
    12,051,638.03x = 135,364,947,398,164.86
  5. Step 5: Solve for x
    x = 135,364,947,398,164.86/12,051,638.03
  6. Step 6: Final answer
    x = 11,232,078.75

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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.