Home / 13,824,381.98-20,729,748.93-4,237,448.78

Finding the Fourth Proportional to 13,824,381.98, 20,729,748.93 and 4,237,448.78

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Solution

The fourth proportional to 13,824,381.98, 20,729,748.93 and 4,237,448.78 is: 6,354,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,381.98 : 20,729,748.93 = 4,237,448.78 : x
  2. Step 2: Convert to fraction form
    13,824,381.98/20,729,748.93 = 4,237,448.78/x
  3. Step 3: Cross multiply
    13,824,381.98x = 20,729,748.93 × 4,237,448.78
  4. Step 4: Simplify right side
    13,824,381.98x = 87,841,249,349,068.73
  5. Step 5: Solve for x
    x = 87,841,249,349,068.73/13,824,381.98
  6. Step 6: Final answer
    x = 6,354,081.47

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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.