Home / 9,679,731.74-13,357,620.59-5,269,365.68

Finding the Fourth Proportional to 9,679,731.74, 13,357,620.59 and 5,269,365.68

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Solution

The fourth proportional to 9,679,731.74, 13,357,620.59 and 5,269,365.68 is: 7,271,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,731.74 : 13,357,620.59 = 5,269,365.68 : x
  2. Step 2: Convert to fraction form
    9,679,731.74/13,357,620.59 = 5,269,365.68/x
  3. Step 3: Cross multiply
    9,679,731.74x = 13,357,620.59 × 5,269,365.68
  4. Step 4: Simplify right side
    9,679,731.74x = 70,386,187,503,407.34
  5. Step 5: Solve for x
    x = 70,386,187,503,407.34/9,679,731.74
  6. Step 6: Final answer
    x = 7,271,501.88

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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.