Home / 15,958,420.80-23,952,664.80-8,390,817.60

Finding the Fourth Proportional to 15,958,420.80, 23,952,664.80 and 8,390,817.60

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Solution

The fourth proportional to 15,958,420.80, 23,952,664.80 and 8,390,817.60 is: 12,594,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958,420.80 : 23,952,664.80 = 8,390,817.60 : x
  2. Step 2: Convert to fraction form
    15,958,420.80/23,952,664.80 = 8,390,817.60/x
  3. Step 3: Cross multiply
    15,958,420.80x = 23,952,664.80 × 8,390,817.60
  4. Step 4: Simplify right side
    15,958,420.80x = 200,982,441,370,740.47
  5. Step 5: Solve for x
    x = 200,982,441,370,740.47/15,958,420.80
  6. Step 6: Final answer
    x = 12,594,130.95

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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.