Home / 28,656,114.40-42,984,171.60-19,040,312.80

Finding the Fourth Proportional to 28,656,114.40, 42,984,171.60 and 19,040,312.80

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Solution

The fourth proportional to 28,656,114.40, 42,984,171.60 and 19,040,312.80 is: 28,560,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,114.40 : 42,984,171.60 = 19,040,312.80 : x
  2. Step 2: Convert to fraction form
    28,656,114.40/42,984,171.60 = 19,040,312.80/x
  3. Step 3: Cross multiply
    28,656,114.40x = 42,984,171.60 × 19,040,312.80
  4. Step 4: Simplify right side
    28,656,114.40x = 818,432,072,712,876.50
  5. Step 5: Solve for x
    x = 818,432,072,712,876.50/28,656,114.40
  6. Step 6: Final answer
    x = 28,560,469.20

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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.