Home / 19,909,608.30-29,864,412.45-9,831,912.30

Finding the Fourth Proportional to 19,909,608.30, 29,864,412.45 and 9,831,912.30

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Solution

The fourth proportional to 19,909,608.30, 29,864,412.45 and 9,831,912.30 is: 14,747,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909,608.30 : 29,864,412.45 = 9,831,912.30 : x
  2. Step 2: Convert to fraction form
    19,909,608.30/29,864,412.45 = 9,831,912.30/x
  3. Step 3: Cross multiply
    19,909,608.30x = 29,864,412.45 × 9,831,912.30
  4. Step 4: Simplify right side
    19,909,608.30x = 293,624,284,099,428.12
  5. Step 5: Solve for x
    x = 293,624,284,099,428.12/19,909,608.30
  6. Step 6: Final answer
    x = 14,747,868.45

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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.