Home / 23,159,089.51-31,959,441.14-13,235,806.64

Finding the Fourth Proportional to 23,159,089.51, 31,959,441.14 and 13,235,806.64

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Solution

The fourth proportional to 23,159,089.51, 31,959,441.14 and 13,235,806.64 is: 18,265,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159,089.51 : 31,959,441.14 = 13,235,806.64 : x
  2. Step 2: Convert to fraction form
    23,159,089.51/31,959,441.14 = 13,235,806.64/x
  3. Step 3: Cross multiply
    23,159,089.51x = 31,959,441.14 × 13,235,806.64
  4. Step 4: Simplify right side
    23,159,089.51x = 423,008,983,265,220.75
  5. Step 5: Solve for x
    x = 423,008,983,265,220.75/23,159,089.51
  6. Step 6: Final answer
    x = 18,265,354.65

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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.