Home / 9,725,666.31-14,591,019.09-5,172,967.77

Finding the Fourth Proportional to 9,725,666.31, 14,591,019.09 and 5,172,967.77

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Solution

The fourth proportional to 9,725,666.31, 14,591,019.09 and 5,172,967.77 is: 7,760,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725,666.31 : 14,591,019.09 = 5,172,967.77 : x
  2. Step 2: Convert to fraction form
    9,725,666.31/14,591,019.09 = 5,172,967.77/x
  3. Step 3: Cross multiply
    9,725,666.31x = 14,591,019.09 × 5,172,967.77
  4. Step 4: Simplify right side
    9,725,666.31x = 75,478,871,484,024.72
  5. Step 5: Solve for x
    x = 75,478,871,484,024.72/9,725,666.31
  6. Step 6: Final answer
    x = 7,760,791.81

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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.