Home / 15,512,740.80-23,269,111.20-7,859,990.40

Finding the Fourth Proportional to 15,512,740.80, 23,269,111.20 and 7,859,990.40

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Solution

The fourth proportional to 15,512,740.80, 23,269,111.20 and 7,859,990.40 is: 11,789,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512,740.80 : 23,269,111.20 = 7,859,990.40 : x
  2. Step 2: Convert to fraction form
    15,512,740.80/23,269,111.20 = 7,859,990.40/x
  3. Step 3: Cross multiply
    15,512,740.80x = 23,269,111.20 × 7,859,990.40
  4. Step 4: Simplify right side
    15,512,740.80x = 182,894,990,648,532.47
  5. Step 5: Solve for x
    x = 182,894,990,648,532.47/15,512,740.80
  6. Step 6: Final answer
    x = 11,789,985.60

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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.