Home / 13,611,817.79-18,784,086.16-7,416,938.00

Finding the Fourth Proportional to 13,611,817.79, 18,784,086.16 and 7,416,938.00

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Solution

The fourth proportional to 13,611,817.79, 18,784,086.16 and 7,416,938.00 is: 10,235,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,817.79 : 18,784,086.16 = 7,416,938.00 : x
  2. Step 2: Convert to fraction form
    13,611,817.79/18,784,086.16 = 7,416,938.00/x
  3. Step 3: Cross multiply
    13,611,817.79x = 18,784,086.16 × 7,416,938.00
  4. Step 4: Simplify right side
    13,611,817.79x = 139,320,402,304,372.97
  5. Step 5: Solve for x
    x = 139,320,402,304,372.97/13,611,817.79
  6. Step 6: Final answer
    x = 10,235,253.25

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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.