Home / 13,238,935.60-19,858,008.12-3,654,898.96

Finding the Fourth Proportional to 13,238,935.60, 19,858,008.12 and 3,654,898.96

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Solution

The fourth proportional to 13,238,935.60, 19,858,008.12 and 3,654,898.96 is: 5,482,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,935.60 : 19,858,008.12 = 3,654,898.96 : x
  2. Step 2: Convert to fraction form
    13,238,935.60/19,858,008.12 = 3,654,898.96/x
  3. Step 3: Cross multiply
    13,238,935.60x = 19,858,008.12 × 3,654,898.96
  4. Step 4: Simplify right side
    13,238,935.60x = 72,579,013,225,459.56
  5. Step 5: Solve for x
    x = 72,579,013,225,459.56/13,238,935.60
  6. Step 6: Final answer
    x = 5,482,239.31

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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.