Home / 28,773,357.60-43,190,760.84-12,386,752.50

Finding the Fourth Proportional to 28,773,357.60, 43,190,760.84 and 12,386,752.50

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Solution

The fourth proportional to 28,773,357.60, 43,190,760.84 and 12,386,752.50 is: 18,593,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,357.60 : 43,190,760.84 = 12,386,752.50 : x
  2. Step 2: Convert to fraction form
    28,773,357.60/43,190,760.84 = 12,386,752.50/x
  3. Step 3: Cross multiply
    28,773,357.60x = 43,190,760.84 × 12,386,752.50
  4. Step 4: Simplify right side
    28,773,357.60x = 534,993,264,811,772.12
  5. Step 5: Solve for x
    x = 534,993,264,811,772.12/28,773,357.60
  6. Step 6: Final answer
    x = 18,593,355.43

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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.