Home / 16,937,987.76-25,392,699.72-7,346,142

Finding the Fourth Proportional to 16,937,987.76, 25,392,699.72 and 7,346,142

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Solution

The fourth proportional to 16,937,987.76, 25,392,699.72 and 7,346,142 is: 11,013,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937,987.76 : 25,392,699.72 = 7,346,142 : x
  2. Step 2: Convert to fraction form
    16,937,987.76/25,392,699.72 = 7,346,142/x
  3. Step 3: Cross multiply
    16,937,987.76x = 25,392,699.72 × 7,346,142
  4. Step 4: Simplify right side
    16,937,987.76x = 186,538,377,906,480.22
  5. Step 5: Solve for x
    x = 186,538,377,906,480.22/16,937,987.76
  6. Step 6: Final answer
    x = 11,013,018.82

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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.