Home / 28,656,088.40-42,984,132.60-19,040,286.80

Finding the Fourth Proportional to 28,656,088.40, 42,984,132.60 and 19,040,286.80

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Solution

The fourth proportional to 28,656,088.40, 42,984,132.60 and 19,040,286.80 is: 28,560,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,088.40 : 42,984,132.60 = 19,040,286.80 : x
  2. Step 2: Convert to fraction form
    28,656,088.40/42,984,132.60 = 19,040,286.80/x
  3. Step 3: Cross multiply
    28,656,088.40x = 42,984,132.60 × 19,040,286.80
  4. Step 4: Simplify right side
    28,656,088.40x = 818,430,212,553,229.75
  5. Step 5: Solve for x
    x = 818,430,212,553,229.75/28,656,088.40
  6. Step 6: Final answer
    x = 28,560,430.20

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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.