Home / 9,718,780.28-13,411,837.04-5,308,508.73

Finding the Fourth Proportional to 9,718,780.28, 13,411,837.04 and 5,308,508.73

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Solution

The fourth proportional to 9,718,780.28, 13,411,837.04 and 5,308,508.73 is: 7,325,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718,780.28 : 13,411,837.04 = 5,308,508.73 : x
  2. Step 2: Convert to fraction form
    9,718,780.28/13,411,837.04 = 5,308,508.73/x
  3. Step 3: Cross multiply
    9,718,780.28x = 13,411,837.04 × 5,308,508.73
  4. Step 4: Simplify right side
    9,718,780.28x = 71,196,854,012,177.36
  5. Step 5: Solve for x
    x = 71,196,854,012,177.36/9,718,780.28
  6. Step 6: Final answer
    x = 7,325,698.49

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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.