Home / 10,130,243.78-13,979,740.74-5,484,028.69

Finding the Fourth Proportional to 10,130,243.78, 13,979,740.74 and 5,484,028.69

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Solution

The fourth proportional to 10,130,243.78, 13,979,740.74 and 5,484,028.69 is: 7,567,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130,243.78 : 13,979,740.74 = 5,484,028.69 : x
  2. Step 2: Convert to fraction form
    10,130,243.78/13,979,740.74 = 5,484,028.69/x
  3. Step 3: Cross multiply
    10,130,243.78x = 13,979,740.74 × 5,484,028.69
  4. Step 4: Simplify right side
    10,130,243.78x = 76,665,299,199,602.97
  5. Step 5: Solve for x
    x = 76,665,299,199,602.97/10,130,243.78
  6. Step 6: Final answer
    x = 7,567,961.92

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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.