Home / 8,371,383.80-12,557,075.70-8,229,666.20

Finding the Fourth Proportional to 8,371,383.80, 12,557,075.70 and 8,229,666.20

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Solution

The fourth proportional to 8,371,383.80, 12,557,075.70 and 8,229,666.20 is: 12,344,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,383.80 : 12,557,075.70 = 8,229,666.20 : x
  2. Step 2: Convert to fraction form
    8,371,383.80/12,557,075.70 = 8,229,666.20/x
  3. Step 3: Cross multiply
    8,371,383.80x = 12,557,075.70 × 8,229,666.20
  4. Step 4: Simplify right side
    8,371,383.80x = 103,340,541,459,131.34
  5. Step 5: Solve for x
    x = 103,340,541,459,131.34/8,371,383.80
  6. Step 6: Final answer
    x = 12,344,499.30

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Double scale
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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.