Home / 18,706,503.40-28,060,629.90-5,928,008.20

Finding the Fourth Proportional to 18,706,503.40, 28,060,629.90 and 5,928,008.20

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Solution

The fourth proportional to 18,706,503.40, 28,060,629.90 and 5,928,008.20 is: 8,892,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,503.40 : 28,060,629.90 = 5,928,008.20 : x
  2. Step 2: Convert to fraction form
    18,706,503.40/28,060,629.90 = 5,928,008.20/x
  3. Step 3: Cross multiply
    18,706,503.40x = 28,060,629.90 × 5,928,008.20
  4. Step 4: Simplify right side
    18,706,503.40x = 166,343,644,144,365.19
  5. Step 5: Solve for x
    x = 166,343,644,144,365.19/18,706,503.40
  6. Step 6: Final answer
    x = 8,892,289.52

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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.