Home / 13,712,574.36-18,922,943.00-7,517,409.35

Finding the Fourth Proportional to 13,712,574.36, 18,922,943.00 and 7,517,409.35

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Solution

The fourth proportional to 13,712,574.36, 18,922,943.00 and 7,517,409.35 is: 10,373,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,574.36 : 18,922,943.00 = 7,517,409.35 : x
  2. Step 2: Convert to fraction form
    13,712,574.36/18,922,943.00 = 7,517,409.35/x
  3. Step 3: Cross multiply
    13,712,574.36x = 18,922,943.00 × 7,517,409.35
  4. Step 4: Simplify right side
    13,712,574.36x = 142,251,508,505,515.28
  5. Step 5: Solve for x
    x = 142,251,508,505,515.28/13,712,574.36
  6. Step 6: Final answer
    x = 10,373,800.33

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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.