Home / 15,555,516.91-21,466,615.21-8,586,196.83

Finding the Fourth Proportional to 15,555,516.91, 21,466,615.21 and 8,586,196.83

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Solution

The fourth proportional to 15,555,516.91, 21,466,615.21 and 8,586,196.83 is: 11,848,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555,516.91 : 21,466,615.21 = 8,586,196.83 : x
  2. Step 2: Convert to fraction form
    15,555,516.91/21,466,615.21 = 8,586,196.83/x
  3. Step 3: Cross multiply
    15,555,516.91x = 21,466,615.21 × 8,586,196.83
  4. Step 4: Simplify right side
    15,555,516.91x = 184,316,583,466,931.78
  5. Step 5: Solve for x
    x = 184,316,583,466,931.78/15,555,516.91
  6. Step 6: Final answer
    x = 11,848,952.66

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Double scale
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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.