Home / 9,731,397.42-13,428,999.45-5,600,855.21

Finding the Fourth Proportional to 9,731,397.42, 13,428,999.45 and 5,600,855.21

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Solution

The fourth proportional to 9,731,397.42, 13,428,999.45 and 5,600,855.21 is: 7,728,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731,397.42 : 13,428,999.45 = 5,600,855.21 : x
  2. Step 2: Convert to fraction form
    9,731,397.42/13,428,999.45 = 5,600,855.21/x
  3. Step 3: Cross multiply
    9,731,397.42x = 13,428,999.45 × 5,600,855.21
  4. Step 4: Simplify right side
    9,731,397.42x = 75,213,881,467,474.64
  5. Step 5: Solve for x
    x = 75,213,881,467,474.64/9,731,397.42
  6. Step 6: Final answer
    x = 7,728,990.83

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1.5x scale

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.