Home / 13,277,842.46-18,323,985.93-7,397,471.42

Finding the Fourth Proportional to 13,277,842.46, 18,323,985.93 and 7,397,471.42

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Solution

The fourth proportional to 13,277,842.46, 18,323,985.93 and 7,397,471.42 is: 10,208,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,842.46 : 18,323,985.93 = 7,397,471.42 : x
  2. Step 2: Convert to fraction form
    13,277,842.46/18,323,985.93 = 7,397,471.42/x
  3. Step 3: Cross multiply
    13,277,842.46x = 18,323,985.93 × 7,397,471.42
  4. Step 4: Simplify right side
    13,277,842.46x = 135,551,162,217,657.11
  5. Step 5: Solve for x
    x = 135,551,162,217,657.11/13,277,842.46
  6. Step 6: Final answer
    x = 10,208,824.41

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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.