Home / 28,653,443.20-42,980,164.80-8,183,123.20

Finding the Fourth Proportional to 28,653,443.20, 42,980,164.80 and 8,183,123.20

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Solution

The fourth proportional to 28,653,443.20, 42,980,164.80 and 8,183,123.20 is: 12,274,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,443.20 : 42,980,164.80 = 8,183,123.20 : x
  2. Step 2: Convert to fraction form
    28,653,443.20/42,980,164.80 = 8,183,123.20/x
  3. Step 3: Cross multiply
    28,653,443.20x = 42,980,164.80 × 8,183,123.20
  4. Step 4: Simplify right side
    28,653,443.20x = 351,711,983,714,703.31
  5. Step 5: Solve for x
    x = 351,711,983,714,703.31/28,653,443.20
  6. Step 6: Final answer
    x = 12,274,684.80

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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.