Home / 12,982,012.80-19,474,862.40-4,005,628.80

Finding the Fourth Proportional to 12,982,012.80, 19,474,862.40 and 4,005,628.80

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Solution

The fourth proportional to 12,982,012.80, 19,474,862.40 and 4,005,628.80 is: 6,009,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,012.80 : 19,474,862.40 = 4,005,628.80 : x
  2. Step 2: Convert to fraction form
    12,982,012.80/19,474,862.40 = 4,005,628.80/x
  3. Step 3: Cross multiply
    12,982,012.80x = 19,474,862.40 × 4,005,628.80
  4. Step 4: Simplify right side
    12,982,012.80x = 78,009,069,705,477.11
  5. Step 5: Solve for x
    x = 78,009,069,705,477.11/12,982,012.80
  6. Step 6: Final answer
    x = 6,009,011.92

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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.