Home / 14,658,017-20,228,087.28-8,131,646.60

Finding the Fourth Proportional to 14,658,017, 20,228,087.28 and 8,131,646.60

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Solution

The fourth proportional to 14,658,017, 20,228,087.28 and 8,131,646.60 is: 11,221,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,017 : 20,228,087.28 = 8,131,646.60 : x
  2. Step 2: Convert to fraction form
    14,658,017/20,228,087.28 = 8,131,646.60/x
  3. Step 3: Cross multiply
    14,658,017x = 20,228,087.28 × 8,131,646.60
  4. Step 4: Simplify right side
    14,658,017x = 164,487,657,154,915.25
  5. Step 5: Solve for x
    x = 164,487,657,154,915.25/14,658,017
  6. Step 6: Final answer
    x = 11,221,685.52

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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.