Home / 12,960,218.40-19,440,327.60-8,448,064.80

Finding the Fourth Proportional to 12,960,218.40, 19,440,327.60 and 8,448,064.80

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Solution

The fourth proportional to 12,960,218.40, 19,440,327.60 and 8,448,064.80 is: 12,672,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,218.40 : 19,440,327.60 = 8,448,064.80 : x
  2. Step 2: Convert to fraction form
    12,960,218.40/19,440,327.60 = 8,448,064.80/x
  3. Step 3: Cross multiply
    12,960,218.40x = 19,440,327.60 × 8,448,064.80
  4. Step 4: Simplify right side
    12,960,218.40x = 164,233,147,298,028.50
  5. Step 5: Solve for x
    x = 164,233,147,298,028.50/12,960,218.40
  6. Step 6: Final answer
    x = 12,672,097.20

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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.