Home / 12,455,637.48-17,189,205.54-7,228,242.94

Finding the Fourth Proportional to 12,455,637.48, 17,189,205.54 and 7,228,242.94

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Solution

The fourth proportional to 12,455,637.48, 17,189,205.54 and 7,228,242.94 is: 9,975,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,637.48 : 17,189,205.54 = 7,228,242.94 : x
  2. Step 2: Convert to fraction form
    12,455,637.48/17,189,205.54 = 7,228,242.94/x
  3. Step 3: Cross multiply
    12,455,637.48x = 17,189,205.54 × 7,228,242.94
  4. Step 4: Simplify right side
    12,455,637.48x = 124,247,753,588,713.89
  5. Step 5: Solve for x
    x = 124,247,753,588,713.89/12,455,637.48
  6. Step 6: Final answer
    x = 9,975,222.37

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1.5x scale

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.