Home / 17,053,307.12-25,534,122.24-12,990,440

Finding the Fourth Proportional to 17,053,307.12, 25,534,122.24 and 12,990,440

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Solution

The fourth proportional to 17,053,307.12, 25,534,122.24 and 12,990,440 is: 19,450,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,053,307.12 : 25,534,122.24 = 12,990,440 : x
  2. Step 2: Convert to fraction form
    17,053,307.12/25,534,122.24 = 12,990,440/x
  3. Step 3: Cross multiply
    17,053,307.12x = 25,534,122.24 × 12,990,440
  4. Step 4: Simplify right side
    17,053,307.12x = 331,699,482,911,385.56
  5. Step 5: Solve for x
    x = 331,699,482,911,385.56/17,053,307.12
  6. Step 6: Final answer
    x = 19,450,742.34

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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.