Home / 13,433,047-18,537,611.80-7,631,838.88

Finding the Fourth Proportional to 13,433,047, 18,537,611.80 and 7,631,838.88

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Solution

The fourth proportional to 13,433,047, 18,537,611.80 and 7,631,838.88 is: 10,531,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,047 : 18,537,611.80 = 7,631,838.88 : x
  2. Step 2: Convert to fraction form
    13,433,047/18,537,611.80 = 7,631,838.88/x
  3. Step 3: Cross multiply
    13,433,047x = 18,537,611.80 × 7,631,838.88
  4. Step 4: Simplify right side
    13,433,047x = 141,476,066,477,586.78
  5. Step 5: Solve for x
    x = 141,476,066,477,586.78/13,433,047
  6. Step 6: Final answer
    x = 10,531,941.60

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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.