Home / 8,065,039.80-12,062,567.70-7,218,233.40

Finding the Fourth Proportional to 8,065,039.80, 12,062,567.70 and 7,218,233.40

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Solution

The fourth proportional to 8,065,039.80, 12,062,567.70 and 7,218,233.40 is: 10,796,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,039.80 : 12,062,567.70 = 7,218,233.40 : x
  2. Step 2: Convert to fraction form
    8,065,039.80/12,062,567.70 = 7,218,233.40/x
  3. Step 3: Cross multiply
    8,065,039.80x = 12,062,567.70 × 7,218,233.40
  4. Step 4: Simplify right side
    8,065,039.80x = 87,070,429,061,901.17
  5. Step 5: Solve for x
    x = 87,070,429,061,901.17/8,065,039.80
  6. Step 6: Final answer
    x = 10,796,032.16

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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.