Home / 20,694,425.32-28,559,188.16-11,527,065.64

Finding the Fourth Proportional to 20,694,425.32, 28,559,188.16 and 11,527,065.64

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Solution

The fourth proportional to 20,694,425.32, 28,559,188.16 and 11,527,065.64 is: 15,907,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,425.32 : 28,559,188.16 = 11,527,065.64 : x
  2. Step 2: Convert to fraction form
    20,694,425.32/28,559,188.16 = 11,527,065.64/x
  3. Step 3: Cross multiply
    20,694,425.32x = 28,559,188.16 × 11,527,065.64
  4. Step 4: Simplify right side
    20,694,425.32x = 329,203,636,545,430.81
  5. Step 5: Solve for x
    x = 329,203,636,545,430.81/20,694,425.32
  6. Step 6: Final answer
    x = 15,907,841.43

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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.