Home / 12,199,077.52-16,837,205.18-8,280,096.55

Finding the Fourth Proportional to 12,199,077.52, 16,837,205.18 and 8,280,096.55

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Solution

The fourth proportional to 12,199,077.52, 16,837,205.18 and 8,280,096.55 is: 11,428,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,077.52 : 16,837,205.18 = 8,280,096.55 : x
  2. Step 2: Convert to fraction form
    12,199,077.52/16,837,205.18 = 8,280,096.55/x
  3. Step 3: Cross multiply
    12,199,077.52x = 16,837,205.18 × 8,280,096.55
  4. Step 4: Simplify right side
    12,199,077.52x = 139,413,684,439,066.64
  5. Step 5: Solve for x
    x = 139,413,684,439,066.64/12,199,077.52
  6. Step 6: Final answer
    x = 11,428,215.31

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1.5x scale

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.