Home / 25,960,019.20-38,940,028.80-13,205,435.20

Finding the Fourth Proportional to 25,960,019.20, 38,940,028.80 and 13,205,435.20

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Solution

The fourth proportional to 25,960,019.20, 38,940,028.80 and 13,205,435.20 is: 19,808,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960,019.20 : 38,940,028.80 = 13,205,435.20 : x
  2. Step 2: Convert to fraction form
    25,960,019.20/38,940,028.80 = 13,205,435.20/x
  3. Step 3: Cross multiply
    25,960,019.20x = 38,940,028.80 × 13,205,435.20
  4. Step 4: Simplify right side
    25,960,019.20x = 514,220,027,004,533.69
  5. Step 5: Solve for x
    x = 514,220,027,004,533.69/25,960,019.20
  6. Step 6: Final answer
    x = 19,808,152.80

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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.