Home / 8,065,075.80-12,062,621.70-7,218,269.40

Finding the Fourth Proportional to 8,065,075.80, 12,062,621.70 and 7,218,269.40

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Solution

The fourth proportional to 8,065,075.80, 12,062,621.70 and 7,218,269.40 is: 10,796,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,075.80 : 12,062,621.70 = 7,218,269.40 : x
  2. Step 2: Convert to fraction form
    8,065,075.80/12,062,621.70 = 7,218,269.40/x
  3. Step 3: Cross multiply
    8,065,075.80x = 12,062,621.70 × 7,218,269.40
  4. Step 4: Simplify right side
    8,065,075.80x = 87,071,253,100,885.98
  5. Step 5: Solve for x
    x = 87,071,253,100,885.98/8,065,075.80
  6. Step 6: Final answer
    x = 10,796,086.14

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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.