Home / 21,553,874.20-32,330,811.30-19,215,533.80

Finding the Fourth Proportional to 21,553,874.20, 32,330,811.30 and 19,215,533.80

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Solution

The fourth proportional to 21,553,874.20, 32,330,811.30 and 19,215,533.80 is: 28,823,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,874.20 : 32,330,811.30 = 19,215,533.80 : x
  2. Step 2: Convert to fraction form
    21,553,874.20/32,330,811.30 = 19,215,533.80/x
  3. Step 3: Cross multiply
    21,553,874.20x = 32,330,811.30 × 19,215,533.80
  4. Step 4: Simplify right side
    21,553,874.20x = 621,253,797,316,572
  5. Step 5: Solve for x
    x = 621,253,797,316,572/21,553,874.20
  6. Step 6: Final answer
    x = 28,823,300.70

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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.