Home / 17,220,639.25-23,764,482.17-9,485,657.65

Finding the Fourth Proportional to 17,220,639.25, 23,764,482.17 and 9,485,657.65

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Solution

The fourth proportional to 17,220,639.25, 23,764,482.17 and 9,485,657.65 is: 13,090,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220,639.25 : 23,764,482.17 = 9,485,657.65 : x
  2. Step 2: Convert to fraction form
    17,220,639.25/23,764,482.17 = 9,485,657.65/x
  3. Step 3: Cross multiply
    17,220,639.25x = 23,764,482.17 × 9,485,657.65
  4. Step 4: Simplify right side
    17,220,639.25x = 225,421,742,094,149.12
  5. Step 5: Solve for x
    x = 225,421,742,094,149.12/17,220,639.25
  6. Step 6: Final answer
    x = 13,090,207.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.