Home / 11,577,379.92-15,974,228.88-6,681,561.72

Finding the Fourth Proportional to 11,577,379.92, 15,974,228.88 and 6,681,561.72

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Solution

The fourth proportional to 11,577,379.92, 15,974,228.88 and 6,681,561.72 is: 9,219,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577,379.92 : 15,974,228.88 = 6,681,561.72 : x
  2. Step 2: Convert to fraction form
    11,577,379.92/15,974,228.88 = 6,681,561.72/x
  3. Step 3: Cross multiply
    11,577,379.92x = 15,974,228.88 × 6,681,561.72
  4. Step 4: Simplify right side
    11,577,379.92x = 106,732,796,191,126.47
  5. Step 5: Solve for x
    x = 106,732,796,191,126.47/11,577,379.92
  6. Step 6: Final answer
    x = 9,219,080.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.