Home / 15,006,695.95-20,709,475.53-8,811,879.64

Finding the Fourth Proportional to 15,006,695.95, 20,709,475.53 and 8,811,879.64

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Solution

The fourth proportional to 15,006,695.95, 20,709,475.53 and 8,811,879.64 is: 12,160,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006,695.95 : 20,709,475.53 = 8,811,879.64 : x
  2. Step 2: Convert to fraction form
    15,006,695.95/20,709,475.53 = 8,811,879.64/x
  3. Step 3: Cross multiply
    15,006,695.95x = 20,709,475.53 × 8,811,879.64
  4. Step 4: Simplify right side
    15,006,695.95x = 182,489,405,733,825.81
  5. Step 5: Solve for x
    x = 182,489,405,733,825.81/15,006,695.95
  6. Step 6: Final answer
    x = 12,160,531.97

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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.