Home / 12,320,130-16,999,890.75-7,092,128.03

Finding the Fourth Proportional to 12,320,130, 16,999,890.75 and 7,092,128.03

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Solution

The fourth proportional to 12,320,130, 16,999,890.75 and 7,092,128.03 is: 9,786,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,130 : 16,999,890.75 = 7,092,128.03 : x
  2. Step 2: Convert to fraction form
    12,320,130/16,999,890.75 = 7,092,128.03/x
  3. Step 3: Cross multiply
    12,320,130x = 16,999,890.75 × 7,092,128.03
  4. Step 4: Simplify right side
    12,320,130x = 120,565,401,610,013.28
  5. Step 5: Solve for x
    x = 120,565,401,610,013.28/12,320,130
  6. Step 6: Final answer
    x = 9,786,049.47

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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.