Home / 19,808,557.24-27,336,086.40-11,966,978.84

Finding the Fourth Proportional to 19,808,557.24, 27,336,086.40 and 11,966,978.84

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Solution

The fourth proportional to 19,808,557.24, 27,336,086.40 and 11,966,978.84 is: 16,514,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808,557.24 : 27,336,086.40 = 11,966,978.84 : x
  2. Step 2: Convert to fraction form
    19,808,557.24/27,336,086.40 = 11,966,978.84/x
  3. Step 3: Cross multiply
    19,808,557.24x = 27,336,086.40 × 11,966,978.84
  4. Step 4: Simplify right side
    19,808,557.24x = 327,130,367,517,211.75
  5. Step 5: Solve for x
    x = 327,130,367,517,211.75/19,808,557.24
  6. Step 6: Final answer
    x = 16,514,598.39

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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.