Home / 13,122,400.80-19,683,601.20-8,304,002.40

Finding the Fourth Proportional to 13,122,400.80, 19,683,601.20 and 8,304,002.40

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Solution

The fourth proportional to 13,122,400.80, 19,683,601.20 and 8,304,002.40 is: 12,456,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,400.80 : 19,683,601.20 = 8,304,002.40 : x
  2. Step 2: Convert to fraction form
    13,122,400.80/19,683,601.20 = 8,304,002.40/x
  3. Step 3: Cross multiply
    13,122,400.80x = 19,683,601.20 × 8,304,002.40
  4. Step 4: Simplify right side
    13,122,400.80x = 163,452,671,605,442.88
  5. Step 5: Solve for x
    x = 163,452,671,605,442.88/13,122,400.80
  6. Step 6: Final answer
    x = 12,456,003.60

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Similar ratio
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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.