Home / 8,569,140.88-12,853,655.80-2,179,338.04

Finding the Fourth Proportional to 8,569,140.88, 12,853,655.80 and 2,179,338.04

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Solution

The fourth proportional to 8,569,140.88, 12,853,655.80 and 2,179,338.04 is: 3,268,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,140.88 : 12,853,655.80 = 2,179,338.04 : x
  2. Step 2: Convert to fraction form
    8,569,140.88/12,853,655.80 = 2,179,338.04/x
  3. Step 3: Cross multiply
    8,569,140.88x = 12,853,655.80 × 2,179,338.04
  4. Step 4: Simplify right side
    8,569,140.88x = 28,012,461,038,006.63
  5. Step 5: Solve for x
    x = 28,012,461,038,006.63/8,569,140.88
  6. Step 6: Final answer
    x = 3,268,992.94

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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.