Home / 12,642,655.16-17,446,910.05-6,841,436.28

Finding the Fourth Proportional to 12,642,655.16, 17,446,910.05 and 6,841,436.28

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Solution

The fourth proportional to 12,642,655.16, 17,446,910.05 and 6,841,436.28 is: 9,441,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,655.16 : 17,446,910.05 = 6,841,436.28 : x
  2. Step 2: Convert to fraction form
    12,642,655.16/17,446,910.05 = 6,841,436.28/x
  3. Step 3: Cross multiply
    12,642,655.16x = 17,446,910.05 × 6,841,436.28
  4. Step 4: Simplify right side
    12,642,655.16x = 119,361,923,333,092.50
  5. Step 5: Solve for x
    x = 119,361,923,333,092.50/12,642,655.16
  6. Step 6: Final answer
    x = 9,441,206.91

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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.