Home / 12,960,212.40-19,440,318.60-8,448,058.80

Finding the Fourth Proportional to 12,960,212.40, 19,440,318.60 and 8,448,058.80

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Solution

The fourth proportional to 12,960,212.40, 19,440,318.60 and 8,448,058.80 is: 12,672,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,212.40 : 19,440,318.60 = 8,448,058.80 : x
  2. Step 2: Convert to fraction form
    12,960,212.40/19,440,318.60 = 8,448,058.80/x
  3. Step 3: Cross multiply
    12,960,212.40x = 19,440,318.60 × 8,448,058.80
  4. Step 4: Simplify right side
    12,960,212.40x = 164,232,954,623,533.72
  5. Step 5: Solve for x
    x = 164,232,954,623,533.72/12,960,212.40
  6. Step 6: Final answer
    x = 12,672,088.20

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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.