Home / 12,643,735.73-17,448,410.95-6,842,518.36

Finding the Fourth Proportional to 12,643,735.73, 17,448,410.95 and 6,842,518.36

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Solution

The fourth proportional to 12,643,735.73, 17,448,410.95 and 6,842,518.36 is: 9,442,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,735.73 : 17,448,410.95 = 6,842,518.36 : x
  2. Step 2: Convert to fraction form
    12,643,735.73/17,448,410.95 = 6,842,518.36/x
  3. Step 3: Cross multiply
    12,643,735.73x = 17,448,410.95 × 6,842,518.36
  4. Step 4: Simplify right side
    12,643,735.73x = 119,391,072,217,472.73
  5. Step 5: Solve for x
    x = 119,391,072,217,472.73/12,643,735.73
  6. Step 6: Final answer
    x = 9,442,705.45

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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.