Home / 10,509,906.10-15,771,857.55-4,827,205.30

Finding the Fourth Proportional to 10,509,906.10, 15,771,857.55 and 4,827,205.30

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Solution

The fourth proportional to 10,509,906.10, 15,771,857.55 and 4,827,205.30 is: 7,244,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,906.10 : 15,771,857.55 = 4,827,205.30 : x
  2. Step 2: Convert to fraction form
    10,509,906.10/15,771,857.55 = 4,827,205.30/x
  3. Step 3: Cross multiply
    10,509,906.10x = 15,771,857.55 × 4,827,205.30
  4. Step 4: Simplify right side
    10,509,906.10x = 76,133,994,356,205.02
  5. Step 5: Solve for x
    x = 76,133,994,356,205.02/10,509,906.10
  6. Step 6: Final answer
    x = 7,244,022.32

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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.