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Finding the Fourth Proportional to 12,366,752.80, 17,325,250.40 and 12,366,752.80

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Solution

The fourth proportional to 12,366,752.80, 17,325,250.40 and 12,366,752.80 is: 17,325,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,752.80 : 17,325,250.40 = 12,366,752.80 : x
  2. Step 2: Convert to fraction form
    12,366,752.80/17,325,250.40 = 12,366,752.80/x
  3. Step 3: Cross multiply
    12,366,752.80x = 17,325,250.40 × 12,366,752.80
  4. Step 4: Simplify right side
    12,366,752.80x = 214,257,088,894,901.12
  5. Step 5: Solve for x
    x = 214,257,088,894,901.12/12,366,752.80
  6. Step 6: Final answer
    x = 17,325,250.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.