Home / 12,863,702.16-17,752,408.20-7,062,728.40

Finding the Fourth Proportional to 12,863,702.16, 17,752,408.20 and 7,062,728.40

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Solution

The fourth proportional to 12,863,702.16, 17,752,408.20 and 7,062,728.40 is: 9,746,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,702.16 : 17,752,408.20 = 7,062,728.40 : x
  2. Step 2: Convert to fraction form
    12,863,702.16/17,752,408.20 = 7,062,728.40/x
  3. Step 3: Cross multiply
    12,863,702.16x = 17,752,408.20 × 7,062,728.40
  4. Step 4: Simplify right side
    12,863,702.16x = 125,380,437,562,532.88
  5. Step 5: Solve for x
    x = 125,380,437,562,532.88/12,863,702.16
  6. Step 6: Final answer
    x = 9,746,839.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.