Home / 11,685,715.90-16,127,122.43-6,458,611.61

Finding the Fourth Proportional to 11,685,715.90, 16,127,122.43 and 6,458,611.61

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Solution

The fourth proportional to 11,685,715.90, 16,127,122.43 and 6,458,611.61 is: 8,913,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,715.90 : 16,127,122.43 = 6,458,611.61 : x
  2. Step 2: Convert to fraction form
    11,685,715.90/16,127,122.43 = 6,458,611.61/x
  3. Step 3: Cross multiply
    11,685,715.90x = 16,127,122.43 × 6,458,611.61
  4. Step 4: Simplify right side
    11,685,715.90x = 104,158,820,162,289.42
  5. Step 5: Solve for x
    x = 104,158,820,162,289.42/11,685,715.90
  6. Step 6: Final answer
    x = 8,913,345.24

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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.