Home / 19,676,968.74-27,171,309.87-12,347,510.40

Finding the Fourth Proportional to 19,676,968.74, 27,171,309.87 and 12,347,510.40

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Solution

The fourth proportional to 19,676,968.74, 27,171,309.87 and 12,347,510.40 is: 17,050,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676,968.74 : 27,171,309.87 = 12,347,510.40 : x
  2. Step 2: Convert to fraction form
    19,676,968.74/27,171,309.87 = 12,347,510.40/x
  3. Step 3: Cross multiply
    19,676,968.74x = 27,171,309.87 × 12,347,510.40
  4. Step 4: Simplify right side
    19,676,968.74x = 335,498,031,201,447.69
  5. Step 5: Solve for x
    x = 335,498,031,201,447.69/19,676,968.74
  6. Step 6: Final answer
    x = 17,050,290.40

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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.