Home / 12,687,480-17,508,741.64-6,886,263.86

Finding the Fourth Proportional to 12,687,480, 17,508,741.64 and 6,886,263.86

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Solution

The fourth proportional to 12,687,480, 17,508,741.64 and 6,886,263.86 is: 9,503,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,480 : 17,508,741.64 = 6,886,263.86 : x
  2. Step 2: Convert to fraction form
    12,687,480/17,508,741.64 = 6,886,263.86/x
  3. Step 3: Cross multiply
    12,687,480x = 17,508,741.64 × 6,886,263.86
  4. Step 4: Simplify right side
    12,687,480x = 120,569,814,789,609.14
  5. Step 5: Solve for x
    x = 120,569,814,789,609.14/12,687,480
  6. Step 6: Final answer
    x = 9,503,054.57

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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.