Home / 10,368,821.20-15,553,231.80-6,585,019.60

Finding the Fourth Proportional to 10,368,821.20, 15,553,231.80 and 6,585,019.60

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Solution

The fourth proportional to 10,368,821.20, 15,553,231.80 and 6,585,019.60 is: 9,877,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,821.20 : 15,553,231.80 = 6,585,019.60 : x
  2. Step 2: Convert to fraction form
    10,368,821.20/15,553,231.80 = 6,585,019.60/x
  3. Step 3: Cross multiply
    10,368,821.20x = 15,553,231.80 × 6,585,019.60
  4. Step 4: Simplify right side
    10,368,821.20x = 102,418,336,246,343.28
  5. Step 5: Solve for x
    x = 102,418,336,246,343.28/10,368,821.20
  6. Step 6: Final answer
    x = 9,877,529.40

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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.