Home / 11,985,831.03-16,529,416.08-7,854,361.64

Finding the Fourth Proportional to 11,985,831.03, 16,529,416.08 and 7,854,361.64

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Solution

The fourth proportional to 11,985,831.03, 16,529,416.08 and 7,854,361.64 is: 10,831,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,831.03 : 16,529,416.08 = 7,854,361.64 : x
  2. Step 2: Convert to fraction form
    11,985,831.03/16,529,416.08 = 7,854,361.64/x
  3. Step 3: Cross multiply
    11,985,831.03x = 16,529,416.08 × 7,854,361.64
  4. Step 4: Simplify right side
    11,985,831.03x = 129,828,011,507,704.09
  5. Step 5: Solve for x
    x = 129,828,011,507,704.09/11,985,831.03
  6. Step 6: Final answer
    x = 10,831,790.57

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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.