Home / 28,714,220.52-43,071,330.76-8,519,462.52

Finding the Fourth Proportional to 28,714,220.52, 43,071,330.76 and 8,519,462.52

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Solution

The fourth proportional to 28,714,220.52, 43,071,330.76 and 8,519,462.52 is: 12,779,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714,220.52 : 43,071,330.76 = 8,519,462.52 : x
  2. Step 2: Convert to fraction form
    28,714,220.52/43,071,330.76 = 8,519,462.52/x
  3. Step 3: Cross multiply
    28,714,220.52x = 43,071,330.76 × 8,519,462.52
  4. Step 4: Simplify right side
    28,714,220.52x = 366,944,588,096,343.06
  5. Step 5: Solve for x
    x = 366,944,588,096,343.06/28,714,220.52
  6. Step 6: Final answer
    x = 12,779,193.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.