Home / 13,354,659.79-20,031,369.13-5,570,361.34

Finding the Fourth Proportional to 13,354,659.79, 20,031,369.13 and 5,570,361.34

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Solution

The fourth proportional to 13,354,659.79, 20,031,369.13 and 5,570,361.34 is: 8,355,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354,659.79 : 20,031,369.13 = 5,570,361.34 : x
  2. Step 2: Convert to fraction form
    13,354,659.79/20,031,369.13 = 5,570,361.34/x
  3. Step 3: Cross multiply
    13,354,659.79x = 20,031,369.13 × 5,570,361.34
  4. Step 4: Simplify right side
    13,354,659.79x = 111,581,964,242,918.55
  5. Step 5: Solve for x
    x = 111,581,964,242,918.55/13,354,659.79
  6. Step 6: Final answer
    x = 8,355,283.17

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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.