Home / 10,161,420.45-14,022,968.51-5,751,145.82

Finding the Fourth Proportional to 10,161,420.45, 14,022,968.51 and 5,751,145.82

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Solution

The fourth proportional to 10,161,420.45, 14,022,968.51 and 5,751,145.82 is: 7,936,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161,420.45 : 14,022,968.51 = 5,751,145.82 : x
  2. Step 2: Convert to fraction form
    10,161,420.45/14,022,968.51 = 5,751,145.82/x
  3. Step 3: Cross multiply
    10,161,420.45x = 14,022,968.51 × 5,751,145.82
  4. Step 4: Simplify right side
    10,161,420.45x = 80,648,136,674,541.16
  5. Step 5: Solve for x
    x = 80,648,136,674,541.16/10,161,420.45
  6. Step 6: Final answer
    x = 7,936,699.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.