Home / 13,019,507.46-19,490,950.86-8,690,820.96

Finding the Fourth Proportional to 13,019,507.46, 19,490,950.86 and 8,690,820.96

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Solution

The fourth proportional to 13,019,507.46, 19,490,950.86 and 8,690,820.96 is: 13,010,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,507.46 : 19,490,950.86 = 8,690,820.96 : x
  2. Step 2: Convert to fraction form
    13,019,507.46/19,490,950.86 = 8,690,820.96/x
  3. Step 3: Cross multiply
    13,019,507.46x = 19,490,950.86 × 8,690,820.96
  4. Step 4: Simplify right side
    13,019,507.46x = 169,392,364,264,418.03
  5. Step 5: Solve for x
    x = 169,392,364,264,418.03/13,019,507.46
  6. Step 6: Final answer
    x = 13,010,658.41

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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.