Home / 18,949,007.40-28,423,511.10-17,381,365.80

Finding the Fourth Proportional to 18,949,007.40, 28,423,511.10 and 17,381,365.80

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Solution

The fourth proportional to 18,949,007.40, 28,423,511.10 and 17,381,365.80 is: 26,072,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,007.40 : 28,423,511.10 = 17,381,365.80 : x
  2. Step 2: Convert to fraction form
    18,949,007.40/28,423,511.10 = 17,381,365.80/x
  3. Step 3: Cross multiply
    18,949,007.40x = 28,423,511.10 × 17,381,365.80
  4. Step 4: Simplify right side
    18,949,007.40x = 494,039,443,749,460.44
  5. Step 5: Solve for x
    x = 494,039,443,749,460.44/18,949,007.40
  6. Step 6: Final answer
    x = 26,072,048.70

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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.