Home / 9,712,664.49-13,403,394.78-5,361,657.36

Finding the Fourth Proportional to 9,712,664.49, 13,403,394.78 and 5,361,657.36

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Solution

The fourth proportional to 9,712,664.49, 13,403,394.78 and 5,361,657.36 is: 7,399,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,664.49 : 13,403,394.78 = 5,361,657.36 : x
  2. Step 2: Convert to fraction form
    9,712,664.49/13,403,394.78 = 5,361,657.36/x
  3. Step 3: Cross multiply
    9,712,664.49x = 13,403,394.78 × 5,361,657.36
  4. Step 4: Simplify right side
    9,712,664.49x = 71,864,410,271,172.58
  5. Step 5: Solve for x
    x = 71,864,410,271,172.58/9,712,664.49
  6. Step 6: Final answer
    x = 7,399,041.77

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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.