Home / 20,694,421.34-28,559,182.66-11,527,061.66

Finding the Fourth Proportional to 20,694,421.34, 28,559,182.66 and 11,527,061.66

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Solution

The fourth proportional to 20,694,421.34, 28,559,182.66 and 11,527,061.66 is: 15,907,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,421.34 : 28,559,182.66 = 11,527,061.66 : x
  2. Step 2: Convert to fraction form
    20,694,421.34/28,559,182.66 = 11,527,061.66/x
  3. Step 3: Cross multiply
    20,694,421.34x = 28,559,182.66 × 11,527,061.66
  4. Step 4: Simplify right side
    20,694,421.34x = 329,203,459,309,409.19
  5. Step 5: Solve for x
    x = 329,203,459,309,409.19/20,694,421.34
  6. Step 6: Final answer
    x = 15,907,835.93

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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.