Home / 12,878,133.60-19,317,200.40-3,294,262.20

Finding the Fourth Proportional to 12,878,133.60, 19,317,200.40 and 3,294,262.20

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Solution

The fourth proportional to 12,878,133.60, 19,317,200.40 and 3,294,262.20 is: 4,941,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,133.60 : 19,317,200.40 = 3,294,262.20 : x
  2. Step 2: Convert to fraction form
    12,878,133.60/19,317,200.40 = 3,294,262.20/x
  3. Step 3: Cross multiply
    12,878,133.60x = 19,317,200.40 × 3,294,262.20
  4. Step 4: Simplify right side
    12,878,133.60x = 63,635,923,087,544.88
  5. Step 5: Solve for x
    x = 63,635,923,087,544.88/12,878,133.60
  6. Step 6: Final answer
    x = 4,941,393.30

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1.5x scale

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.