Home / 16,839,357.30-23,236,577.78-12,431,427.35

Finding the Fourth Proportional to 16,839,357.30, 23,236,577.78 and 12,431,427.35

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Solution

The fourth proportional to 16,839,357.30, 23,236,577.78 and 12,431,427.35 is: 17,154,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839,357.30 : 23,236,577.78 = 12,431,427.35 : x
  2. Step 2: Convert to fraction form
    16,839,357.30/23,236,577.78 = 12,431,427.35/x
  3. Step 3: Cross multiply
    16,839,357.30x = 23,236,577.78 × 12,431,427.35
  4. Step 4: Simplify right side
    16,839,357.30x = 288,863,828,356,354.25
  5. Step 5: Solve for x
    x = 288,863,828,356,354.25/16,839,357.30
  6. Step 6: Final answer
    x = 17,154,088.68

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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.