Home / 13,831,422.20-19,069,620.20-11,341,468.98

Finding the Fourth Proportional to 13,831,422.20, 19,069,620.20 and 11,341,468.98

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Solution

The fourth proportional to 13,831,422.20, 19,069,620.20 and 11,341,468.98 is: 15,636,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,422.20 : 19,069,620.20 = 11,341,468.98 : x
  2. Step 2: Convert to fraction form
    13,831,422.20/19,069,620.20 = 11,341,468.98/x
  3. Step 3: Cross multiply
    13,831,422.20x = 19,069,620.20 × 11,341,468.98
  4. Step 4: Simplify right side
    13,831,422.20x = 216,277,505,958,681.41
  5. Step 5: Solve for x
    x = 216,277,505,958,681.41/13,831,422.20
  6. Step 6: Final answer
    x = 15,636,678.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.