Home / 13,006,031.69-19,509,490.40-6,179,081.55

Finding the Fourth Proportional to 13,006,031.69, 19,509,490.40 and 6,179,081.55

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Solution

The fourth proportional to 13,006,031.69, 19,509,490.40 and 6,179,081.55 is: 9,268,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,031.69 : 19,509,490.40 = 6,179,081.55 : x
  2. Step 2: Convert to fraction form
    13,006,031.69/19,509,490.40 = 6,179,081.55/x
  3. Step 3: Cross multiply
    13,006,031.69x = 19,509,490.40 × 6,179,081.55
  4. Step 4: Simplify right side
    13,006,031.69x = 120,550,732,149,646.70
  5. Step 5: Solve for x
    x = 120,550,732,149,646.70/13,006,031.69
  6. Step 6: Final answer
    x = 9,268,832.73

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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.