Home / 28,447,345.84-42,653,739.42-11,154,830.05

Finding the Fourth Proportional to 28,447,345.84, 42,653,739.42 and 11,154,830.05

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Solution

The fourth proportional to 28,447,345.84, 42,653,739.42 and 11,154,830.05 is: 16,725,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,345.84 : 42,653,739.42 = 11,154,830.05 : x
  2. Step 2: Convert to fraction form
    28,447,345.84/42,653,739.42 = 11,154,830.05/x
  3. Step 3: Cross multiply
    28,447,345.84x = 42,653,739.42 × 11,154,830.05
  4. Step 4: Simplify right side
    28,447,345.84x = 475,795,214,227,085.62
  5. Step 5: Solve for x
    x = 475,795,214,227,085.62/28,447,345.84
  6. Step 6: Final answer
    x = 16,725,469.47

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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.