Home / 10,553,621.20-15,830,431.80-7,194,389.20

Finding the Fourth Proportional to 10,553,621.20, 15,830,431.80 and 7,194,389.20

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Solution

The fourth proportional to 10,553,621.20, 15,830,431.80 and 7,194,389.20 is: 10,791,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,621.20 : 15,830,431.80 = 7,194,389.20 : x
  2. Step 2: Convert to fraction form
    10,553,621.20/15,830,431.80 = 7,194,389.20/x
  3. Step 3: Cross multiply
    10,553,621.20x = 15,830,431.80 × 7,194,389.20
  4. Step 4: Simplify right side
    10,553,621.20x = 113,890,287,573,256.56
  5. Step 5: Solve for x
    x = 113,890,287,573,256.56/10,553,621.20
  6. Step 6: Final answer
    x = 10,791,583.80

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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.