Home / 20,401,892.40-30,602,838.60-19,232,722.20

Finding the Fourth Proportional to 20,401,892.40, 30,602,838.60 and 19,232,722.20

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Solution

The fourth proportional to 20,401,892.40, 30,602,838.60 and 19,232,722.20 is: 28,849,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,892.40 : 30,602,838.60 = 19,232,722.20 : x
  2. Step 2: Convert to fraction form
    20,401,892.40/30,602,838.60 = 19,232,722.20/x
  3. Step 3: Cross multiply
    20,401,892.40x = 30,602,838.60 × 19,232,722.20
  4. Step 4: Simplify right side
    20,401,892.40x = 588,575,893,325,236.88
  5. Step 5: Solve for x
    x = 588,575,893,325,236.88/20,401,892.40
  6. Step 6: Final answer
    x = 28,849,083.30

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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.