Home / 18,655,557.92-27,999,287.40-7,303,978.16

Finding the Fourth Proportional to 18,655,557.92, 27,999,287.40 and 7,303,978.16

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Solution

The fourth proportional to 18,655,557.92, 27,999,287.40 and 7,303,978.16 is: 10,962,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,557.92 : 27,999,287.40 = 7,303,978.16 : x
  2. Step 2: Convert to fraction form
    18,655,557.92/27,999,287.40 = 7,303,978.16/x
  3. Step 3: Cross multiply
    18,655,557.92x = 27,999,287.40 × 7,303,978.16
  4. Step 4: Simplify right side
    18,655,557.92x = 204,506,183,665,163.19
  5. Step 5: Solve for x
    x = 204,506,183,665,163.19/18,655,557.92
  6. Step 6: Final answer
    x = 10,962,212.15

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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.