Home / 14,337,956.43-19,786,381.92-7,811,585.73

Finding the Fourth Proportional to 14,337,956.43, 19,786,381.92 and 7,811,585.73

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Solution

The fourth proportional to 14,337,956.43, 19,786,381.92 and 7,811,585.73 is: 10,779,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337,956.43 : 19,786,381.92 = 7,811,585.73 : x
  2. Step 2: Convert to fraction form
    14,337,956.43/19,786,381.92 = 7,811,585.73/x
  3. Step 3: Cross multiply
    14,337,956.43x = 19,786,381.92 × 7,811,585.73
  4. Step 4: Simplify right side
    14,337,956.43x = 154,563,018,654,602.03
  5. Step 5: Solve for x
    x = 154,563,018,654,602.03/14,337,956.43
  6. Step 6: Final answer
    x = 10,779,989.42

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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.