Home / 9,926,426.72-13,694,980.56-6,490,678.88

Finding the Fourth Proportional to 9,926,426.72, 13,694,980.56 and 6,490,678.88

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Solution

The fourth proportional to 9,926,426.72, 13,694,980.56 and 6,490,678.88 is: 8,954,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926,426.72 : 13,694,980.56 = 6,490,678.88 : x
  2. Step 2: Convert to fraction form
    9,926,426.72/13,694,980.56 = 6,490,678.88/x
  3. Step 3: Cross multiply
    9,926,426.72x = 13,694,980.56 × 6,490,678.88
  4. Step 4: Simplify right side
    9,926,426.72x = 88,889,721,082,802.58
  5. Step 5: Solve for x
    x = 88,889,721,082,802.58/9,926,426.72
  6. Step 6: Final answer
    x = 8,954,855.92

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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.