Home / 10,388,715.20-15,583,072.80-4,720,011.20

Finding the Fourth Proportional to 10,388,715.20, 15,583,072.80 and 4,720,011.20

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Solution

The fourth proportional to 10,388,715.20, 15,583,072.80 and 4,720,011.20 is: 7,080,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,715.20 : 15,583,072.80 = 4,720,011.20 : x
  2. Step 2: Convert to fraction form
    10,388,715.20/15,583,072.80 = 4,720,011.20/x
  3. Step 3: Cross multiply
    10,388,715.20x = 15,583,072.80 × 4,720,011.20
  4. Step 4: Simplify right side
    10,388,715.20x = 73,552,278,146,415.36
  5. Step 5: Solve for x
    x = 73,552,278,146,415.36/10,388,715.20
  6. Step 6: Final answer
    x = 7,080,016.80

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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.