Home / 13,124,539.80-19,686,809.70-12,327,378.30

Finding the Fourth Proportional to 13,124,539.80, 19,686,809.70 and 12,327,378.30

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Solution

The fourth proportional to 13,124,539.80, 19,686,809.70 and 12,327,378.30 is: 18,491,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,539.80 : 19,686,809.70 = 12,327,378.30 : x
  2. Step 2: Convert to fraction form
    13,124,539.80/19,686,809.70 = 12,327,378.30/x
  3. Step 3: Cross multiply
    13,124,539.80x = 19,686,809.70 × 12,327,378.30
  4. Step 4: Simplify right side
    13,124,539.80x = 242,686,750,692,009.50
  5. Step 5: Solve for x
    x = 242,686,750,692,009.50/13,124,539.80
  6. Step 6: Final answer
    x = 18,491,067.45

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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.