Home / 18,727,194.90-28,090,792.32-5,264,022.90

Finding the Fourth Proportional to 18,727,194.90, 28,090,792.32 and 5,264,022.90

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Solution

The fourth proportional to 18,727,194.90, 28,090,792.32 and 5,264,022.90 is: 7,896,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,194.90 : 28,090,792.32 = 5,264,022.90 : x
  2. Step 2: Convert to fraction form
    18,727,194.90/28,090,792.32 = 5,264,022.90/x
  3. Step 3: Cross multiply
    18,727,194.90x = 28,090,792.32 × 5,264,022.90
  4. Step 4: Simplify right side
    18,727,194.90x = 147,870,574,051,624.12
  5. Step 5: Solve for x
    x = 147,870,574,051,624.12/18,727,194.90
  6. Step 6: Final answer
    x = 7,896,034.34

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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.