Home / 12,643,488.48-18,965,281.92-3,058,851.60

Finding the Fourth Proportional to 12,643,488.48, 18,965,281.92 and 3,058,851.60

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Solution

The fourth proportional to 12,643,488.48, 18,965,281.92 and 3,058,851.60 is: 4,588,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,488.48 : 18,965,281.92 = 3,058,851.60 : x
  2. Step 2: Convert to fraction form
    12,643,488.48/18,965,281.92 = 3,058,851.60/x
  3. Step 3: Cross multiply
    12,643,488.48x = 18,965,281.92 × 3,058,851.60
  4. Step 4: Simplify right side
    12,643,488.48x = 58,011,982,945,443.08
  5. Step 5: Solve for x
    x = 58,011,982,945,443.08/12,643,488.48
  6. Step 6: Final answer
    x = 4,588,289.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.