Home / 15,881,343.54-23,812,405.32-7,126,017.12

Finding the Fourth Proportional to 15,881,343.54, 23,812,405.32 and 7,126,017.12

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Solution

The fourth proportional to 15,881,343.54, 23,812,405.32 and 7,126,017.12 is: 10,684,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881,343.54 : 23,812,405.32 = 7,126,017.12 : x
  2. Step 2: Convert to fraction form
    15,881,343.54/23,812,405.32 = 7,126,017.12/x
  3. Step 3: Cross multiply
    15,881,343.54x = 23,812,405.32 × 7,126,017.12
  4. Step 4: Simplify right side
    15,881,343.54x = 169,687,607,978,699.09
  5. Step 5: Solve for x
    x = 169,687,607,978,699.09/15,881,343.54
  6. Step 6: Final answer
    x = 10,684,713.64

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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.