Home / 11,641,639.20-17,462,458.80-8,807,287.20

Finding the Fourth Proportional to 11,641,639.20, 17,462,458.80 and 8,807,287.20

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Solution

The fourth proportional to 11,641,639.20, 17,462,458.80 and 8,807,287.20 is: 13,210,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641,639.20 : 17,462,458.80 = 8,807,287.20 : x
  2. Step 2: Convert to fraction form
    11,641,639.20/17,462,458.80 = 8,807,287.20/x
  3. Step 3: Cross multiply
    11,641,639.20x = 17,462,458.80 × 8,807,287.20
  4. Step 4: Simplify right side
    11,641,639.20x = 153,796,889,869,767.34
  5. Step 5: Solve for x
    x = 153,796,889,869,767.34/11,641,639.20
  6. Step 6: Final answer
    x = 13,210,930.80

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1.5x scale

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.