Home / 18,585,405.60-27,871,820.64-7,068,136.56

Finding the Fourth Proportional to 18,585,405.60, 27,871,820.64 and 7,068,136.56

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Solution

The fourth proportional to 18,585,405.60, 27,871,820.64 and 7,068,136.56 is: 10,599,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,405.60 : 27,871,820.64 = 7,068,136.56 : x
  2. Step 2: Convert to fraction form
    18,585,405.60/27,871,820.64 = 7,068,136.56/x
  3. Step 3: Cross multiply
    18,585,405.60x = 27,871,820.64 × 7,068,136.56
  4. Step 4: Simplify right side
    18,585,405.60x = 197,001,834,459,346.59
  5. Step 5: Solve for x
    x = 197,001,834,459,346.59/18,585,405.60
  6. Step 6: Final answer
    x = 10,599,813.57

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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.