Home / 13,102,526.30-19,653,789.46-12,514,660.70

Finding the Fourth Proportional to 13,102,526.30, 19,653,789.46 and 12,514,660.70

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Solution

The fourth proportional to 13,102,526.30, 19,653,789.46 and 12,514,660.70 is: 18,771,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,526.30 : 19,653,789.46 = 12,514,660.70 : x
  2. Step 2: Convert to fraction form
    13,102,526.30/19,653,789.46 = 12,514,660.70/x
  3. Step 3: Cross multiply
    13,102,526.30x = 19,653,789.46 × 12,514,660.70
  4. Step 4: Simplify right side
    13,102,526.30x = 245,960,506,561,136.22
  5. Step 5: Solve for x
    x = 245,960,506,561,136.22/13,102,526.30
  6. Step 6: Final answer
    x = 18,771,991.06

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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.