Home / 30,619,381.50-45,921,816.69-8,759,086.74

Finding the Fourth Proportional to 30,619,381.50, 45,921,816.69 and 8,759,086.74

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Solution

The fourth proportional to 30,619,381.50, 45,921,816.69 and 8,759,086.74 is: 13,136,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,381.50 : 45,921,816.69 = 8,759,086.74 : x
  2. Step 2: Convert to fraction form
    30,619,381.50/45,921,816.69 = 8,759,086.74/x
  3. Step 3: Cross multiply
    30,619,381.50x = 45,921,816.69 × 8,759,086.74
  4. Step 4: Simplify right side
    30,619,381.50x = 402,233,175,646,089.69
  5. Step 5: Solve for x
    x = 402,233,175,646,089.69/30,619,381.50
  6. Step 6: Final answer
    x = 13,136,554.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.