Home / 13,246,037.80-19,869,056.70-12,448,220.20

Finding the Fourth Proportional to 13,246,037.80, 19,869,056.70 and 12,448,220.20

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Solution

The fourth proportional to 13,246,037.80, 19,869,056.70 and 12,448,220.20 is: 18,672,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246,037.80 : 19,869,056.70 = 12,448,220.20 : x
  2. Step 2: Convert to fraction form
    13,246,037.80/19,869,056.70 = 12,448,220.20/x
  3. Step 3: Cross multiply
    13,246,037.80x = 19,869,056.70 × 12,448,220.20
  4. Step 4: Simplify right side
    13,246,037.80x = 247,334,392,967,885.31
  5. Step 5: Solve for x
    x = 247,334,392,967,885.31/13,246,037.80
  6. Step 6: Final answer
    x = 18,672,330.30

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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.