Home / 19,686,154.20-29,529,231.30-12,502,843.35

Finding the Fourth Proportional to 19,686,154.20, 29,529,231.30 and 12,502,843.35

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Solution

The fourth proportional to 19,686,154.20, 29,529,231.30 and 12,502,843.35 is: 18,754,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,154.20 : 29,529,231.30 = 12,502,843.35 : x
  2. Step 2: Convert to fraction form
    19,686,154.20/29,529,231.30 = 12,502,843.35/x
  3. Step 3: Cross multiply
    19,686,154.20x = 29,529,231.30 × 12,502,843.35
  4. Step 4: Simplify right side
    19,686,154.20x = 369,199,353,189,816.88
  5. Step 5: Solve for x
    x = 369,199,353,189,816.88/19,686,154.20
  6. Step 6: Final answer
    x = 18,754,265.03

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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.