Home / 15,696,460.80-23,559,724.80-8,128,857.60

Finding the Fourth Proportional to 15,696,460.80, 23,559,724.80 and 8,128,857.60

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Solution

The fourth proportional to 15,696,460.80, 23,559,724.80 and 8,128,857.60 is: 12,201,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,460.80 : 23,559,724.80 = 8,128,857.60 : x
  2. Step 2: Convert to fraction form
    15,696,460.80/23,559,724.80 = 8,128,857.60/x
  3. Step 3: Cross multiply
    15,696,460.80x = 23,559,724.80 × 8,128,857.60
  4. Step 4: Simplify right side
    15,696,460.80x = 191,513,647,994,388.47
  5. Step 5: Solve for x
    x = 191,513,647,994,388.47/15,696,460.80
  6. Step 6: Final answer
    x = 12,201,071.98

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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.