Home / 13,252,529.60-19,878,794.40-12,790,635.20

Finding the Fourth Proportional to 13,252,529.60, 19,878,794.40 and 12,790,635.20

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Solution

The fourth proportional to 13,252,529.60, 19,878,794.40 and 12,790,635.20 is: 19,185,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,529.60 : 19,878,794.40 = 12,790,635.20 : x
  2. Step 2: Convert to fraction form
    13,252,529.60/19,878,794.40 = 12,790,635.20/x
  3. Step 3: Cross multiply
    13,252,529.60x = 19,878,794.40 × 12,790,635.20
  4. Step 4: Simplify right side
    13,252,529.60x = 254,262,407,386,202.84
  5. Step 5: Solve for x
    x = 254,262,407,386,202.84/13,252,529.60
  6. Step 6: Final answer
    x = 19,185,952.80

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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.