Home / 27,579,288.88-38,056,602.19-16,980,995.76

Finding the Fourth Proportional to 27,579,288.88, 38,056,602.19 and 16,980,995.76

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Solution

The fourth proportional to 27,579,288.88, 38,056,602.19 and 16,980,995.76 is: 23,432,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579,288.88 : 38,056,602.19 = 16,980,995.76 : x
  2. Step 2: Convert to fraction form
    27,579,288.88/38,056,602.19 = 16,980,995.76/x
  3. Step 3: Cross multiply
    27,579,288.88x = 38,056,602.19 × 16,980,995.76
  4. Step 4: Simplify right side
    27,579,288.88x = 646,239,000,428,396.75
  5. Step 5: Solve for x
    x = 646,239,000,428,396.75/27,579,288.88
  6. Step 6: Final answer
    x = 23,432,040.01

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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.