Home / 38,529,522.96-57,802,803.48-12,969,690

Finding the Fourth Proportional to 38,529,522.96, 57,802,803.48 and 12,969,690

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Solution

The fourth proportional to 38,529,522.96, 57,802,803.48 and 12,969,690 is: 19,457,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529,522.96 : 57,802,803.48 = 12,969,690 : x
  2. Step 2: Convert to fraction form
    38,529,522.96/57,802,803.48 = 12,969,690/x
  3. Step 3: Cross multiply
    38,529,522.96x = 57,802,803.48 × 12,969,690
  4. Step 4: Simplify right side
    38,529,522.96x = 749,684,442,266,521.12
  5. Step 5: Solve for x
    x = 749,684,442,266,521.12/38,529,522.96
  6. Step 6: Final answer
    x = 19,457,402.65

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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.