Home / 11,092,285.80-16,638,428.70-7,845,028.20

Finding the Fourth Proportional to 11,092,285.80, 16,638,428.70 and 7,845,028.20

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Solution

The fourth proportional to 11,092,285.80, 16,638,428.70 and 7,845,028.20 is: 11,767,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092,285.80 : 16,638,428.70 = 7,845,028.20 : x
  2. Step 2: Convert to fraction form
    11,092,285.80/16,638,428.70 = 7,845,028.20/x
  3. Step 3: Cross multiply
    11,092,285.80x = 16,638,428.70 × 7,845,028.20
  4. Step 4: Simplify right side
    11,092,285.80x = 130,528,942,355,189.34
  5. Step 5: Solve for x
    x = 130,528,942,355,189.34/11,092,285.80
  6. Step 6: Final answer
    x = 11,767,542.30

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Similar ratio
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1.5x scale

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.