Home / 13,308,646.88-19,960,967.99-3,722,782.88

Finding the Fourth Proportional to 13,308,646.88, 19,960,967.99 and 3,722,782.88

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Solution

The fourth proportional to 13,308,646.88, 19,960,967.99 and 3,722,782.88 is: 5,583,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,646.88 : 19,960,967.99 = 3,722,782.88 : x
  2. Step 2: Convert to fraction form
    13,308,646.88/19,960,967.99 = 3,722,782.88/x
  3. Step 3: Cross multiply
    13,308,646.88x = 19,960,967.99 × 3,722,782.88
  4. Step 4: Simplify right side
    13,308,646.88x = 74,310,349,901,400
  5. Step 5: Solve for x
    x = 74,310,349,901,400/13,308,646.88
  6. Step 6: Final answer
    x = 5,583,614.21

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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.