Home / 30,986,488.36-42,772,865.52-26,618,043.34

Finding the Fourth Proportional to 30,986,488.36, 42,772,865.52 and 26,618,043.34

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Solution

The fourth proportional to 30,986,488.36, 42,772,865.52 and 26,618,043.34 is: 36,742,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986,488.36 : 42,772,865.52 = 26,618,043.34 : x
  2. Step 2: Convert to fraction form
    30,986,488.36/42,772,865.52 = 26,618,043.34/x
  3. Step 3: Cross multiply
    30,986,488.36x = 42,772,865.52 × 26,618,043.34
  4. Step 4: Simplify right side
    30,986,488.36x = 1,138,529,988,187,351.75
  5. Step 5: Solve for x
    x = 1,138,529,988,187,351.75/30,986,488.36
  6. Step 6: Final answer
    x = 36,742,788.50

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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.