Home / 15,243,438.78-21,035,173.68-9,048,750.34

Finding the Fourth Proportional to 15,243,438.78, 21,035,173.68 and 9,048,750.34

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Solution

The fourth proportional to 15,243,438.78, 21,035,173.68 and 9,048,750.34 is: 12,486,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,438.78 : 21,035,173.68 = 9,048,750.34 : x
  2. Step 2: Convert to fraction form
    15,243,438.78/21,035,173.68 = 9,048,750.34/x
  3. Step 3: Cross multiply
    15,243,438.78x = 21,035,173.68 × 9,048,750.34
  4. Step 4: Simplify right side
    15,243,438.78x = 190,342,034,988,859.03
  5. Step 5: Solve for x
    x = 190,342,034,988,859.03/15,243,438.78
  6. Step 6: Final answer
    x = 12,486,817.29

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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.