Home / 9,965,342.51-13,752,172.54-5,381,663.88

Finding the Fourth Proportional to 9,965,342.51, 13,752,172.54 and 5,381,663.88

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Solution

The fourth proportional to 9,965,342.51, 13,752,172.54 and 5,381,663.88 is: 7,426,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,342.51 : 13,752,172.54 = 5,381,663.88 : x
  2. Step 2: Convert to fraction form
    9,965,342.51/13,752,172.54 = 5,381,663.88/x
  3. Step 3: Cross multiply
    9,965,342.51x = 13,752,172.54 × 5,381,663.88
  4. Step 4: Simplify right side
    9,965,342.51x = 74,009,570,230,045.84
  5. Step 5: Solve for x
    x = 74,009,570,230,045.84/9,965,342.51
  6. Step 6: Final answer
    x = 7,426,696.09

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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.