Home / 19,150,156.80-28,725,235.20-13,103,539.20

Finding the Fourth Proportional to 19,150,156.80, 28,725,235.20 and 13,103,539.20

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Solution

The fourth proportional to 19,150,156.80, 28,725,235.20 and 13,103,539.20 is: 19,655,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150,156.80 : 28,725,235.20 = 13,103,539.20 : x
  2. Step 2: Convert to fraction form
    19,150,156.80/28,725,235.20 = 13,103,539.20/x
  3. Step 3: Cross multiply
    19,150,156.80x = 28,725,235.20 × 13,103,539.20
  4. Step 4: Simplify right side
    19,150,156.80x = 376,402,245,472,419.81
  5. Step 5: Solve for x
    x = 376,402,245,472,419.81/19,150,156.80
  6. Step 6: Final answer
    x = 19,655,308.80

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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.