Home / 18,550,915.80-27,826,373.70-9,480,989.40

Finding the Fourth Proportional to 18,550,915.80, 27,826,373.70 and 9,480,989.40

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Solution

The fourth proportional to 18,550,915.80, 27,826,373.70 and 9,480,989.40 is: 14,221,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550,915.80 : 27,826,373.70 = 9,480,989.40 : x
  2. Step 2: Convert to fraction form
    18,550,915.80/27,826,373.70 = 9,480,989.40/x
  3. Step 3: Cross multiply
    18,550,915.80x = 27,826,373.70 × 9,480,989.40
  4. Step 4: Simplify right side
    18,550,915.80x = 263,821,554,090,138.78
  5. Step 5: Solve for x
    x = 263,821,554,090,138.78/18,550,915.80
  6. Step 6: Final answer
    x = 14,221,484.10

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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.