Home / 10,143,655.40-15,190,243.75-7,096,756.16

Finding the Fourth Proportional to 10,143,655.40, 15,190,243.75 and 7,096,756.16

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Solution

The fourth proportional to 10,143,655.40, 15,190,243.75 and 7,096,756.16 is: 10,627,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,655.40 : 15,190,243.75 = 7,096,756.16 : x
  2. Step 2: Convert to fraction form
    10,143,655.40/15,190,243.75 = 7,096,756.16/x
  3. Step 3: Cross multiply
    10,143,655.40x = 15,190,243.75 × 7,096,756.16
  4. Step 4: Simplify right side
    10,143,655.40x = 107,801,455,904,714
  5. Step 5: Solve for x
    x = 107,801,455,904,714/10,143,655.40
  6. Step 6: Final answer
    x = 10,627,476.16

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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.