Home / 12,929,713.60-19,394,570.40-11,837,963.20

Finding the Fourth Proportional to 12,929,713.60, 19,394,570.40 and 11,837,963.20

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Solution

The fourth proportional to 12,929,713.60, 19,394,570.40 and 11,837,963.20 is: 17,756,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,713.60 : 19,394,570.40 = 11,837,963.20 : x
  2. Step 2: Convert to fraction form
    12,929,713.60/19,394,570.40 = 11,837,963.20/x
  3. Step 3: Cross multiply
    12,929,713.60x = 19,394,570.40 × 11,837,963.20
  4. Step 4: Simplify right side
    12,929,713.60x = 229,592,210,675,009.25
  5. Step 5: Solve for x
    x = 229,592,210,675,009.25/12,929,713.60
  6. Step 6: Final answer
    x = 17,756,944.80

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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.