Home / 30,521,179.40-45,834,913.20-16,172,272.40

Finding the Fourth Proportional to 30,521,179.40, 45,834,913.20 and 16,172,272.40

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Solution

The fourth proportional to 30,521,179.40, 45,834,913.20 and 16,172,272.40 is: 24,286,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,179.40 : 45,834,913.20 = 16,172,272.40 : x
  2. Step 2: Convert to fraction form
    30,521,179.40/45,834,913.20 = 16,172,272.40/x
  3. Step 3: Cross multiply
    30,521,179.40x = 45,834,913.20 × 16,172,272.40
  4. Step 4: Simplify right side
    30,521,179.40x = 741,254,701,700,755.75
  5. Step 5: Solve for x
    x = 741,254,701,700,755.75/30,521,179.40
  6. Step 6: Final answer
    x = 24,286,568.09

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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.