Home / 28,287,534.69-42,452,423.60-19,168,003.89

Finding the Fourth Proportional to 28,287,534.69, 42,452,423.60 and 19,168,003.89

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Solution

The fourth proportional to 28,287,534.69, 42,452,423.60 and 19,168,003.89 is: 28,766,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287,534.69 : 42,452,423.60 = 19,168,003.89 : x
  2. Step 2: Convert to fraction form
    28,287,534.69/42,452,423.60 = 19,168,003.89/x
  3. Step 3: Cross multiply
    28,287,534.69x = 42,452,423.60 × 19,168,003.89
  4. Step 4: Simplify right side
    28,287,534.69x = 813,728,220,608,887.75
  5. Step 5: Solve for x
    x = 813,728,220,608,887.75/28,287,534.69
  6. Step 6: Final answer
    x = 28,766,318.08

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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.