Home / 14,586,156.50-20,128,889.30-8,059,728.86

Finding the Fourth Proportional to 14,586,156.50, 20,128,889.30 and 8,059,728.86

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Solution

The fourth proportional to 14,586,156.50, 20,128,889.30 and 8,059,728.86 is: 11,122,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586,156.50 : 20,128,889.30 = 8,059,728.86 : x
  2. Step 2: Convert to fraction form
    14,586,156.50/20,128,889.30 = 8,059,728.86/x
  3. Step 3: Cross multiply
    14,586,156.50x = 20,128,889.30 × 8,059,728.86
  4. Step 4: Simplify right side
    14,586,156.50x = 162,233,390,010,955.22
  5. Step 5: Solve for x
    x = 162,233,390,010,955.22/14,586,156.50
  6. Step 6: Final answer
    x = 11,122,422.14

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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.