Home / 20,142,113.58-30,219,066.02-6,494,985.50

Finding the Fourth Proportional to 20,142,113.58, 30,219,066.02 and 6,494,985.50

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Solution

The fourth proportional to 20,142,113.58, 30,219,066.02 and 6,494,985.50 is: 9,744,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,113.58 : 30,219,066.02 = 6,494,985.50 : x
  2. Step 2: Convert to fraction form
    20,142,113.58/30,219,066.02 = 6,494,985.50/x
  3. Step 3: Cross multiply
    20,142,113.58x = 30,219,066.02 × 6,494,985.50
  4. Step 4: Simplify right side
    20,142,113.58x = 196,272,395,488,584.84
  5. Step 5: Solve for x
    x = 196,272,395,488,584.84/20,142,113.58
  6. Step 6: Final answer
    x = 9,744,379.34

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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.