Home / 28,396,632.16-39,187,362.84-15,343,891.02

Finding the Fourth Proportional to 28,396,632.16, 39,187,362.84 and 15,343,891.02

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Solution

The fourth proportional to 28,396,632.16, 39,187,362.84 and 15,343,891.02 is: 21,174,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396,632.16 : 39,187,362.84 = 15,343,891.02 : x
  2. Step 2: Convert to fraction form
    28,396,632.16/39,187,362.84 = 15,343,891.02/x
  3. Step 3: Cross multiply
    28,396,632.16x = 39,187,362.84 × 15,343,891.02
  4. Step 4: Simplify right side
    28,396,632.16x = 601,286,624,778,157.75
  5. Step 5: Solve for x
    x = 601,286,624,778,157.75/28,396,632.16
  6. Step 6: Final answer
    x = 21,174,575.26

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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.