Home / 30,378,191.17-41,922,031.57-16,439,546.93

Finding the Fourth Proportional to 30,378,191.17, 41,922,031.57 and 16,439,546.93

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Solution

The fourth proportional to 30,378,191.17, 41,922,031.57 and 16,439,546.93 is: 22,686,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,191.17 : 41,922,031.57 = 16,439,546.93 : x
  2. Step 2: Convert to fraction form
    30,378,191.17/41,922,031.57 = 16,439,546.93/x
  3. Step 3: Cross multiply
    30,378,191.17x = 41,922,031.57 × 16,439,546.93
  4. Step 4: Simplify right side
    30,378,191.17x = 689,179,205,355,588.38
  5. Step 5: Solve for x
    x = 689,179,205,355,588.38/30,378,191.17
  6. Step 6: Final answer
    x = 22,686,643.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.