Home / 15,780,056.40-23,663,086.20-7,263,003.60

Finding the Fourth Proportional to 15,780,056.40, 23,663,086.20 and 7,263,003.60

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Solution

The fourth proportional to 15,780,056.40, 23,663,086.20 and 7,263,003.60 is: 10,891,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,056.40 : 23,663,086.20 = 7,263,003.60 : x
  2. Step 2: Convert to fraction form
    15,780,056.40/23,663,086.20 = 7,263,003.60/x
  3. Step 3: Cross multiply
    15,780,056.40x = 23,663,086.20 × 7,263,003.60
  4. Step 4: Simplify right side
    15,780,056.40x = 171,865,080,257,710.31
  5. Step 5: Solve for x
    x = 171,865,080,257,710.31/15,780,056.40
  6. Step 6: Final answer
    x = 10,891,284.28

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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.