Home / 12,423,228.40-18,635,474.40-3,903,648.40

Finding the Fourth Proportional to 12,423,228.40, 18,635,474.40 and 3,903,648.40

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Solution

The fourth proportional to 12,423,228.40, 18,635,474.40 and 3,903,648.40 is: 5,855,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,228.40 : 18,635,474.40 = 3,903,648.40 : x
  2. Step 2: Convert to fraction form
    12,423,228.40/18,635,474.40 = 3,903,648.40/x
  3. Step 3: Cross multiply
    12,423,228.40x = 18,635,474.40 × 3,903,648.40
  4. Step 4: Simplify right side
    12,423,228.40x = 72,746,339,824,800.95
  5. Step 5: Solve for x
    x = 72,746,339,824,800.95/12,423,228.40
  6. Step 6: Final answer
    x = 5,855,671.13

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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.