Home / 39,168,015.36-54,053,078.40-21,526,597.92

Finding the Fourth Proportional to 39,168,015.36, 54,053,078.40 and 21,526,597.92

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Solution

The fourth proportional to 39,168,015.36, 54,053,078.40 and 21,526,597.92 is: 29,707,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168,015.36 : 54,053,078.40 = 21,526,597.92 : x
  2. Step 2: Convert to fraction form
    39,168,015.36/54,053,078.40 = 21,526,597.92/x
  3. Step 3: Cross multiply
    39,168,015.36x = 54,053,078.40 × 21,526,597.92
  4. Step 4: Simplify right side
    39,168,015.36x = 1,163,578,885,055,037
  5. Step 5: Solve for x
    x = 1,163,578,885,055,037/39,168,015.36
  6. Step 6: Final answer
    x = 29,707,374.10

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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.