Home / 18,727,208.62-28,090,812.94-5,264,036.62

Finding the Fourth Proportional to 18,727,208.62, 28,090,812.94 and 5,264,036.62

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Solution

The fourth proportional to 18,727,208.62, 28,090,812.94 and 5,264,036.62 is: 7,896,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,208.62 : 28,090,812.94 = 5,264,036.62 : x
  2. Step 2: Convert to fraction form
    18,727,208.62/28,090,812.94 = 5,264,036.62/x
  3. Step 3: Cross multiply
    18,727,208.62x = 28,090,812.94 × 5,264,036.62
  4. Step 4: Simplify right side
    18,727,208.62x = 147,871,068,001,729.88
  5. Step 5: Solve for x
    x = 147,871,068,001,729.88/18,727,208.62
  6. Step 6: Final answer
    x = 7,896,054.93

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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.