Home / 10,831,438.80-16,243,221.60-3,643,207.20

Finding the Fourth Proportional to 10,831,438.80, 16,243,221.60 and 3,643,207.20

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Solution

The fourth proportional to 10,831,438.80, 16,243,221.60 and 3,643,207.20 is: 5,463,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831,438.80 : 16,243,221.60 = 3,643,207.20 : x
  2. Step 2: Convert to fraction form
    10,831,438.80/16,243,221.60 = 3,643,207.20/x
  3. Step 3: Cross multiply
    10,831,438.80x = 16,243,221.60 × 3,643,207.20
  4. Step 4: Simplify right side
    10,831,438.80x = 59,177,421,884,315.52
  5. Step 5: Solve for x
    x = 59,177,421,884,315.52/10,831,438.80
  6. Step 6: Final answer
    x = 5,463,486.71

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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.