Home / 12,859,637.60-17,747,186.88-8,501,165.28

Finding the Fourth Proportional to 12,859,637.60, 17,747,186.88 and 8,501,165.28

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Solution

The fourth proportional to 12,859,637.60, 17,747,186.88 and 8,501,165.28 is: 11,732,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,637.60 : 17,747,186.88 = 8,501,165.28 : x
  2. Step 2: Convert to fraction form
    12,859,637.60/17,747,186.88 = 8,501,165.28/x
  3. Step 3: Cross multiply
    12,859,637.60x = 17,747,186.88 × 8,501,165.28
  4. Step 4: Simplify right side
    12,859,637.60x = 150,871,768,921,927.50
  5. Step 5: Solve for x
    x = 150,871,768,921,927.50/12,859,637.60
  6. Step 6: Final answer
    x = 11,732,194.45

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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.