Home / 18,904,532.10-28,293,812.55-17,392,877.70

Finding the Fourth Proportional to 18,904,532.10, 28,293,812.55 and 17,392,877.70

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Solution

The fourth proportional to 18,904,532.10, 28,293,812.55 and 17,392,877.70 is: 26,031,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,532.10 : 28,293,812.55 = 17,392,877.70 : x
  2. Step 2: Convert to fraction form
    18,904,532.10/28,293,812.55 = 17,392,877.70/x
  3. Step 3: Cross multiply
    18,904,532.10x = 28,293,812.55 × 17,392,877.70
  4. Step 4: Simplify right side
    18,904,532.10x = 492,110,821,348,875.12
  5. Step 5: Solve for x
    x = 492,110,821,348,875.12/18,904,532.10
  6. Step 6: Final answer
    x = 26,031,367.44

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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.