Home / 30,131,817.24-45,217,632.18-14,176,709.40

Finding the Fourth Proportional to 30,131,817.24, 45,217,632.18 and 14,176,709.40

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Solution

The fourth proportional to 30,131,817.24, 45,217,632.18 and 14,176,709.40 is: 21,274,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131,817.24 : 45,217,632.18 = 14,176,709.40 : x
  2. Step 2: Convert to fraction form
    30,131,817.24/45,217,632.18 = 14,176,709.40/x
  3. Step 3: Cross multiply
    30,131,817.24x = 45,217,632.18 × 14,176,709.40
  4. Step 4: Simplify right side
    30,131,817.24x = 641,037,231,171,948.50
  5. Step 5: Solve for x
    x = 641,037,231,171,948.50/30,131,817.24
  6. Step 6: Final answer
    x = 21,274,429.82

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1.5x scale

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.