Home / 28,939,362.48-43,376,022.45-11,656,501.02

Finding the Fourth Proportional to 28,939,362.48, 43,376,022.45 and 11,656,501.02

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Solution

The fourth proportional to 28,939,362.48, 43,376,022.45 and 11,656,501.02 is: 17,471,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,362.48 : 43,376,022.45 = 11,656,501.02 : x
  2. Step 2: Convert to fraction form
    28,939,362.48/43,376,022.45 = 11,656,501.02/x
  3. Step 3: Cross multiply
    28,939,362.48x = 43,376,022.45 × 11,656,501.02
  4. Step 4: Simplify right side
    28,939,362.48x = 505,612,649,931,967.94
  5. Step 5: Solve for x
    x = 505,612,649,931,967.94/28,939,362.48
  6. Step 6: Final answer
    x = 17,471,450.88

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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.