Home / 10,368,065.20-15,552,097.80-5,266,231.60

Finding the Fourth Proportional to 10,368,065.20, 15,552,097.80 and 5,266,231.60

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Solution

The fourth proportional to 10,368,065.20, 15,552,097.80 and 5,266,231.60 is: 7,899,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,065.20 : 15,552,097.80 = 5,266,231.60 : x
  2. Step 2: Convert to fraction form
    10,368,065.20/15,552,097.80 = 5,266,231.60/x
  3. Step 3: Cross multiply
    10,368,065.20x = 15,552,097.80 × 5,266,231.60
  4. Step 4: Simplify right side
    10,368,065.20x = 81,900,948,880,650.48
  5. Step 5: Solve for x
    x = 81,900,948,880,650.48/10,368,065.20
  6. Step 6: Final answer
    x = 7,899,347.40

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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.