Home / 15,696,473.80-23,559,744.30-8,128,870.60

Finding the Fourth Proportional to 15,696,473.80, 23,559,744.30 and 8,128,870.60

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Solution

The fourth proportional to 15,696,473.80, 23,559,744.30 and 8,128,870.60 is: 12,201,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,473.80 : 23,559,744.30 = 8,128,870.60 : x
  2. Step 2: Convert to fraction form
    15,696,473.80/23,559,744.30 = 8,128,870.60/x
  3. Step 3: Cross multiply
    15,696,473.80x = 23,559,744.30 × 8,128,870.60
  4. Step 4: Simplify right side
    15,696,473.80x = 191,514,112,783,787.56
  5. Step 5: Solve for x
    x = 191,514,112,783,787.56/15,696,473.80
  6. Step 6: Final answer
    x = 12,201,091.48

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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.