Home / 10,955,569.61-15,115,969.81-7,083,431.44

Finding the Fourth Proportional to 10,955,569.61, 15,115,969.81 and 7,083,431.44

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Solution

The fourth proportional to 10,955,569.61, 15,115,969.81 and 7,083,431.44 is: 9,773,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955,569.61 : 15,115,969.81 = 7,083,431.44 : x
  2. Step 2: Convert to fraction form
    10,955,569.61/15,115,969.81 = 7,083,431.44/x
  3. Step 3: Cross multiply
    10,955,569.61x = 15,115,969.81 × 7,083,431.44
  4. Step 4: Simplify right side
    10,955,569.61x = 107,072,935,769,309.19
  5. Step 5: Solve for x
    x = 107,072,935,769,309.19/10,955,569.61
  6. Step 6: Final answer
    x = 9,773,379.16

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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.