Home / 18,865,537.20-28,273,811.40-8,746,628.40

Finding the Fourth Proportional to 18,865,537.20, 28,273,811.40 and 8,746,628.40

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Solution

The fourth proportional to 18,865,537.20, 28,273,811.40 and 8,746,628.40 is: 13,108,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,537.20 : 28,273,811.40 = 8,746,628.40 : x
  2. Step 2: Convert to fraction form
    18,865,537.20/28,273,811.40 = 8,746,628.40/x
  3. Step 3: Cross multiply
    18,865,537.20x = 28,273,811.40 × 8,746,628.40
  4. Step 4: Simplify right side
    18,865,537.20x = 247,300,521,767,483.75
  5. Step 5: Solve for x
    x = 247,300,521,767,483.75/18,865,537.20
  6. Step 6: Final answer
    x = 13,108,586.26

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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.