Home / 15,702,005.12-23,552,978.51-4,920,131.84

Finding the Fourth Proportional to 15,702,005.12, 23,552,978.51 and 4,920,131.84

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Solution

The fourth proportional to 15,702,005.12, 23,552,978.51 and 4,920,131.84 is: 7,380,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,702,005.12 : 23,552,978.51 = 4,920,131.84 : x
  2. Step 2: Convert to fraction form
    15,702,005.12/23,552,978.51 = 4,920,131.84/x
  3. Step 3: Cross multiply
    15,702,005.12x = 23,552,978.51 × 4,920,131.84
  4. Step 4: Simplify right side
    15,702,005.12x = 115,883,759,388,422.19
  5. Step 5: Solve for x
    x = 115,883,759,388,422.19/15,702,005.12
  6. Step 6: Final answer
    x = 7,380,188.62

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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.