Home / 18,897,722.20-28,293,439.20-16,984,534.60

Finding the Fourth Proportional to 18,897,722.20, 28,293,439.20 and 16,984,534.60

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Solution

The fourth proportional to 18,897,722.20, 28,293,439.20 and 16,984,534.60 is: 25,429,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,722.20 : 28,293,439.20 = 16,984,534.60 : x
  2. Step 2: Convert to fraction form
    18,897,722.20/28,293,439.20 = 16,984,534.60/x
  3. Step 3: Cross multiply
    18,897,722.20x = 28,293,439.20 × 16,984,534.60
  4. Step 4: Simplify right side
    18,897,722.20x = 480,550,897,045,396.38
  5. Step 5: Solve for x
    x = 480,550,897,045,396.38/18,897,722.20
  6. Step 6: Final answer
    x = 25,429,038.06

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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.